[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"research-category-rollups-us":3,"research-niche-us-automotive-bbc-valve-covers":116},[4,11,18,25,32,39,46,53,60,67,74,81,88,95,102,109],{"nodeId":5,"label":6,"slug":7,"href":8,"nichesTracked":9,"marketSizeTotal":10},"3760931","Health & Household","health-household","\u002Famazon\u002Fresearch\u002Fus\u002Fhealth-household",8003,8602132707,{"nodeId":12,"label":13,"slug":14,"href":15,"nichesTracked":16,"marketSizeTotal":17},"11055981","Beauty & Personal Care","beauty-personal-care","\u002Famazon\u002Fresearch\u002Fus\u002Fbeauty-personal-care",4848,3280613323,{"nodeId":19,"label":20,"slug":21,"href":22,"nichesTracked":23,"marketSizeTotal":24},"15690151","Automotive","automotive","\u002Famazon\u002Fresearch\u002Fus\u002Fautomotive",7287,2959139927,{"nodeId":26,"label":27,"slug":28,"href":29,"nichesTracked":30,"marketSizeTotal":31},"7141124011","Clothing, Shoes & Jewelry","clothing-shoes-jewelry","\u002Famazon\u002Fresearch\u002Fus\u002Fclothing-shoes-jewelry",11384,2741305529,{"nodeId":33,"label":34,"slug":35,"href":36,"nichesTracked":37,"marketSizeTotal":38},"165797011","Baby Products","baby-products","\u002Famazon\u002Fresearch\u002Fus\u002Fbaby-products",2244,1684108154,{"nodeId":40,"label":41,"slug":42,"href":43,"nichesTracked":44,"marketSizeTotal":45},"2335753011","Cell Phones & Accessories","cell-phones-accessories","\u002Famazon\u002Fresearch\u002Fus\u002Fcell-phones-accessories",2221,1674631865,{"nodeId":47,"label":48,"slug":49,"href":50,"nichesTracked":51,"marketSizeTotal":52},"2619534011","Pet Supplies","pet-supplies","\u002Famazon\u002Fresearch\u002Fus\u002Fpet-supplies",1386,1198403832,{"nodeId":54,"label":55,"slug":56,"href":57,"nichesTracked":58,"marketSizeTotal":59},"2617942011","Arts, Crafts & Sewing","arts-crafts-sewing","\u002Famazon\u002Fresearch\u002Fus\u002Farts-crafts-sewing",3612,1166051621,{"nodeId":61,"label":62,"slug":63,"href":64,"nichesTracked":65,"marketSizeTotal":66},"3238155011","Patio, Lawn & Garden","patio-lawn-garden","\u002Famazon\u002Fresearch\u002Fus\u002Fpatio-lawn-garden",1642,688311698,{"nodeId":68,"label":69,"slug":70,"href":71,"nichesTracked":72,"marketSizeTotal":73},"2619526011","Appliances","appliances","\u002Famazon\u002Fresearch\u002Fus\u002Fappliances",845,522195610,{"nodeId":75,"label":76,"slug":77,"href":78,"nichesTracked":79,"marketSizeTotal":80},"3375301","Sports & Outdoors","sports-outdoors","\u002Famazon\u002Fresearch\u002Fus\u002Fsports-outdoors",351,473124347,{"nodeId":82,"label":83,"slug":84,"href":85,"nichesTracked":86,"marketSizeTotal":87},"1063498","Home & Kitchen","home-kitchen","\u002Famazon\u002Fresearch\u002Fus\u002Fhome-kitchen",960,470474522,{"nodeId":89,"label":90,"slug":91,"href":92,"nichesTracked":93,"marketSizeTotal":94},"11965861","Musical Instruments","musical-instruments","\u002Famazon\u002Fresearch\u002Fus\u002Fmusical-instruments",437,265480238,{"nodeId":96,"label":97,"slug":98,"href":99,"nichesTracked":100,"marketSizeTotal":101},"1084128","Office Products","office-products","\u002Famazon\u002Fresearch\u002Fus\u002Foffice-products",426,134456572,{"nodeId":103,"label":104,"slug":105,"href":106,"nichesTracked":107,"marketSizeTotal":108},"10304191","Other","other","\u002Famazon\u002Fresearch\u002Fus\u002Fother",8,1511091,{"nodeId":110,"label":111,"slug":112,"href":113,"nichesTracked":114,"marketSizeTotal":115},"18981046011","Amazon Luxury","amazon-luxury","\u002Famazon\u002Fresearch\u002Fus\u002Famazon-luxury",2,34419,{"country":117,"category":121,"niche":122,"verdict":151,"baselines":188,"demand":193,"seasonality":226,"brandShare":227,"products":249,"feedback":701,"lastUpdated":144},{"flag":118,"name":119,"currency":120},"us","United States","USD",{"nodeId":19,"label":20,"slug":21,"href":22},{"marketSize":123,"searchVolume":124,"growth360":125,"growth90":126,"searchConversion":127,"top5ClickShare":128,"top5BrandShare":129,"avgRating":130,"avgReviewCount":107,"avgPrice":131,"priceMin":132,"priceMax":133,"productCount":134,"unitsSoldMax":135,"sponsoredPct":136,"returnRate":137,"successfulLaunches360":138,"newProducts360":114,"amazonNicheId":139,"title":140,"slug":141,"href":142,"leafCategoryName":143,"scrapedAt":144,"brandCount":145,"brandCountYearAgo":146,"sellerCount":147,"signals":148},32403,48379,3.3057,-0.0685,0.0061,0.3189,0.5023,3.96,109.8,48,368.54,49,500,0.6327,0.0453,0,"f4dbd539-13b5-4a5c-ab42-f19a63702b62","bbc valve covers","bbc-valve-covers","\u002Famazon\u002Fresearch\u002Fus\u002Fautomotive\u002Fbbc-valve-covers","Engines & Engine Parts","2026-07-09T22:00:29.898285+00:00",19,20,61,[149,150],"quality_gap","high_price",{"score":134,"verdict":152,"components":153},"skip",[154,158,161,164,167,170,173,178,181,184],{"key":155,"score":107,"weight":156,"raw":157},"marketSize",0.15,32403.29,{"key":159,"score":160,"weight":156,"raw":126},"growth",22,{"key":162,"score":107,"weight":163,"raw":127},"conversion",0.1,{"key":165,"score":166,"weight":156,"raw":128},"competition",83,{"key":168,"score":169,"weight":163,"raw":129},"brandShare",85,{"key":171,"score":172,"weight":163,"raw":130},"qualityGap",95,{"key":174,"score":175,"weight":176,"raw":177},"reviewMoat",100,0.05,8.16,{"key":179,"score":180,"weight":163,"raw":137},"returns",37,{"key":182,"score":183,"weight":176,"raw":131},"avgPrice",72,{"key":185,"score":186,"weight":176,"raw":187},"priceRange",16,0.1622262432145754,{"avgRating":189,"medianPrice":190,"medianReturnRate":191,"nichesTracked":192},4.4,22.31,0.0223,45656,{"points":194,"droppedPartialWeek":225},[195,198,201,204,207,210,213,216,219,222],{"week":196,"volume":197},"2026-05-03",896,{"week":199,"volume":200},"2026-05-10",1052,{"week":202,"volume":203},"2026-05-17",902,{"week":205,"volume":206},"2026-05-24",985,{"week":208,"volume":209},"2026-05-31",935,{"week":211,"volume":212},"2026-06-07",772,{"week":214,"volume":215},"2026-06-14",635,{"week":217,"volume":218},"2026-06-21",853,{"week":220,"volume":221},"2026-06-28",909,{"week":223,"volume":224},"2026-07-05",822,false,null,{"top":228,"otherBrandCount":247,"otherClickShare":248},[229,232,235,238,241,244],{"brand":230,"clickShare":231},"TAKPART",0.16599999999999998,{"brand":233,"clickShare":234},"Speedmaster",0.1194,{"brand":236,"clickShare":237},"DEEPMOTOR",0.07400000000000001,{"brand":239,"clickShare":240},"TEKKOAUTO",0.0737,{"brand":242,"clickShare":243},"IMOOA",0.0692,{"brand":245,"clickShare":246},"SPELAB",0.0653,13,0.4324,[250,261,271,283,293,303,314,325,337,347,358,366,375,385,394,405,414,423,433,444,452,460,468,478,487,497,506,515,523,534,542,551,560,568,577,585,594,605,614,622,629,638,645,652,662,668,677,686,694],{"asin":251,"title":252,"brand":230,"imageUrl":253,"price":254,"rating":255,"reviews":256,"clickShare90":257,"clickShare360":258,"launchDate":259,"amazonUrl":260},"B0B7HLRHTH","BBC Tall Valve Covers Big Block Billet Aluminum Compatible for Chevy 396 402 427 454","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41+9efLAoyL.jpg",77.4,4.2,28,0.0803,0.0859,"2022-07-25","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0B7HLRHTH",{"asin":262,"title":263,"brand":245,"imageUrl":264,"price":265,"rating":266,"reviews":267,"clickShare90":246,"clickShare360":268,"launchDate":269,"amazonUrl":270},"B0C46H12VN","SPELAB Valve Covers Aluminum Compatible with Chevy 1966-2000 Big Block BBC 396 402 427 454","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41afiDgyYbL.jpg",101.55,4.1,18,0.0846,"2023-05-03","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0C46H12VN",{"asin":272,"title":273,"brand":274,"imageUrl":275,"price":276,"rating":277,"reviews":278,"clickShare90":279,"clickShare360":280,"launchDate":281,"amazonUrl":282},"B0BL79QHM9","Aluminum Fabricated Valve Cover for Big Block Chevy BBC 396 454 w\u002FBreather Hole Black","Pateyney","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F31G8ovhsEGL.jpg",94.9,3.8,14,0.0582,0.0233,"2022-11-02","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BL79QHM9",{"asin":284,"title":285,"brand":230,"imageUrl":286,"price":287,"rating":288,"reviews":247,"clickShare90":289,"clickShare360":290,"launchDate":291,"amazonUrl":292},"B0CHDRZYXT","TAKPART Fabricated Aluminum Tall Valve Covers Compatible for Big Block Chevy BBC 396 427 454 502","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41FM7aGn+3L.jpg",83.45,2.7,0.0576,0.0433,"2023-09-06","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CHDRZYXT",{"asin":294,"title":295,"brand":239,"imageUrl":296,"price":297,"rating":298,"reviews":299,"clickShare90":289,"clickShare360":300,"launchDate":301,"amazonUrl":302},"B0F6C947YV","TEKKOAUTO Tall Finned Aluminum Valve Covers 3 11\u002F16 Polished Replacement for Chevy BBC Big Block 396 454 502 1965-1995","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41Quq+yHbvL.jpg",101,3.5,3,0.0418,"2025-04-25","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0F6C947YV",{"asin":304,"title":305,"brand":306,"imageUrl":307,"price":308,"rating":189,"reviews":309,"clickShare90":310,"clickShare360":311,"launchDate":312,"amazonUrl":313},"B001CMT3TE","Proform 141-813 Stamped Valve Cover","ProForm","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41Vi7OJ+KAL.jpg",149.17,38,0.0559,0.0651,"2008-07-16","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB001CMT3TE",{"asin":315,"title":316,"brand":236,"imageUrl":317,"price":318,"rating":319,"reviews":320,"clickShare90":321,"clickShare360":322,"launchDate":323,"amazonUrl":324},"B0DSJGCXLN","DEEPMOTOR Aluminum Finned Fabricated Valve Cover for Big Block Chevy BBC 396 454 w\u002FBreather Hole (Silver)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F31MkanjR9eL.jpg",99.7,5,1,0.0442,0.0239,"2025-01-08","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DSJGCXLN",{"asin":326,"title":327,"brand":328,"imageUrl":329,"price":330,"rating":331,"reviews":332,"clickShare90":333,"clickShare360":334,"launchDate":335,"amazonUrl":336},"B077FFTN23","Fabricated Aluminum Valve Covers Polished Big Block Engine Custom Compatible for Chevy 396 454 427","Cuztom Tuning","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41Usnmj6JWL.jpg",80.71,4.7,69,0.0408,0.0319,"2017-10-23","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB077FFTN23",{"asin":338,"title":339,"brand":233,"imageUrl":340,"price":341,"rating":342,"reviews":114,"clickShare90":343,"clickShare360":344,"launchDate":345,"amazonUrl":346},"B0897C2Z6Z","Speedmaster PCE314.1004.03 Compatible with Chevy BBC 454 Chrome 454 Stamped Steel Valve Covers - Tall w\u002FBaffled Hole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41OCj8JH+cL.jpg",57.79,4.6,0.0351,0.0261,"2022-08-12","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0897C2Z6Z",{"asin":348,"title":349,"brand":350,"imageUrl":351,"price":352,"rating":319,"reviews":353,"clickShare90":354,"clickShare360":355,"launchDate":356,"amazonUrl":357},"B0DZSQ4C21","Aflle Racing Polished Tall Valve Covers Ball Milled Top Fit Chevy BBC 396 454 502 1965-1995","Aflle Racing","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41br-oPA1TL.jpg",109.53,4,0.0325,0.014,"2025-03-08","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DZSQ4C21",{"asin":359,"title":360,"brand":236,"imageUrl":361,"price":362,"rating":319,"reviews":320,"clickShare90":363,"clickShare360":364,"launchDate":323,"amazonUrl":365},"B0DSJHPZWH","DEEPMOTOR Aluminum Finned Fabricated Valve Cover for Big Block Chevy BBC 396 454 w\u002FBreather Hole (Black)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41j52IAp6VL.jpg",107.36,0.0298,0.0419,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DSJHPZWH",{"asin":367,"title":368,"brand":242,"imageUrl":369,"price":370,"rating":319,"reviews":114,"clickShare90":371,"clickShare360":372,"launchDate":373,"amazonUrl":374},"B0DSSXB7WK","IMOOA Tall Finned Valve Covers for Chevy BBC 396 402 427 454 502 1965-1995 Black Aluminum","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51I0UfDAqcL.jpg",105.14,0.0284,0.0254,"2025-01-11","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DSSXB7WK",{"asin":376,"title":377,"brand":230,"imageUrl":378,"price":379,"rating":380,"reviews":381,"clickShare90":382,"clickShare360":383,"launchDate":259,"amazonUrl":384},"B0B7HPGX42","BBC Tall Valve Covers Big Block Billet Aluminum Compatible for Chevy 396 402 427 454 Black","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41qdCXGBDPL.jpg",74.35,2.8,9,0.0281,0.0288,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0B7HPGX42",{"asin":386,"title":387,"brand":233,"imageUrl":388,"price":389,"rating":138,"reviews":138,"clickShare90":390,"clickShare360":391,"launchDate":392,"amazonUrl":393},"B01ASUCSZQ","Speedmaster PCE314.1055 Compatible with Chevy BBC 454 STD Style Chrome Valve Covers - Short w\u002FBaffled Hole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41qpZHOlfqL.jpg",64.62,0.0274,0.0156,"2016-01-19","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB01ASUCSZQ",{"asin":395,"title":396,"brand":397,"imageUrl":398,"price":399,"rating":266,"reviews":400,"clickShare90":401,"clickShare360":402,"launchDate":403,"amazonUrl":404},"B001QT0ZR2","Steel OEMStyle Short Valve Covers Fits 19651972 Chevy BB 396427454 Engines Chrome 12 Hole Design","CFR Performance","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41l+P40fuGL.jpg",61.58,11,0.0241,0.027,"2009-01-26","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB001QT0ZR2",{"asin":406,"title":407,"brand":242,"imageUrl":408,"price":409,"rating":266,"reviews":400,"clickShare90":410,"clickShare360":411,"launchDate":412,"amazonUrl":413},"B0DT2J5L33","IMOOA Tall Fabricated Valve Covers for Chevy BBC 396 402 427 454 502 1965-1995 Polished Aluminum","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41-gCJoWl+L.jpg",93.44,0.0234,0.03,"2025-01-15","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DT2J5L33",{"asin":415,"title":416,"brand":233,"imageUrl":417,"price":418,"rating":319,"reviews":353,"clickShare90":419,"clickShare360":420,"launchDate":421,"amazonUrl":422},"B097QW3CSD","Speedmaster PCE314.1004.02 Compatible with Chevy BBC 454 Chrome Steel Valve Covers - Tall w\u002FBaffled Hole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41p+xbKb7bL.jpg",48.54,0.0204,0.023,"2025-02-10","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB097QW3CSD",{"asin":424,"title":425,"brand":426,"imageUrl":427,"price":428,"rating":342,"reviews":299,"clickShare90":429,"clickShare360":430,"launchDate":431,"amazonUrl":432},"B0BTG4TTP5","Big Block Chevy 454 Valve Covers Classic Finned - Orange - Ansen USA","Ansen Valve Covers","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41nLIQVOqXL.jpg",251.5,0.0191,0.0171,"2023-01-30","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BTG4TTP5",{"asin":434,"title":435,"brand":436,"imageUrl":437,"price":438,"rating":299,"reviews":439,"clickShare90":440,"clickShare360":441,"launchDate":442,"amazonUrl":443},"B0B3M2QW8D","GSKMOTOR FABRICATED Polished Aluminum Valve Covers for Big Block Chevy BBC 396 427 454 502","GSKMOTOR","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41b+FmHUzIL.jpg",84.92,15,0.0164,0.0147,"2022-06-09","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0B3M2QW8D",{"asin":445,"title":446,"brand":239,"imageUrl":447,"price":448,"rating":114,"reviews":114,"clickShare90":449,"clickShare360":450,"launchDate":301,"amazonUrl":451},"B0F6C9VY96","TEKKOAUTO Tall Finned Aluminum Valve Covers 3 11\u002F16 Black with Gasket Replacement for Chevy BBC 396 454 502 1965-1995","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F410XcBUQ+cL.jpg",106.85,0.0161,0.015,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0F6C9VY96",{"asin":453,"title":454,"brand":350,"imageUrl":455,"price":456,"rating":353,"reviews":320,"clickShare90":457,"clickShare360":458,"launchDate":356,"amazonUrl":459},"B0DZSHLGWC","Aflle Racing Polished Aluminum Tall Valve Covers w\u002FHole Fit Chevy BBC 396 454 502 1965-1995","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41GoTxPdW+L.jpg",106.1,0.0154,0.0116,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DZSHLGWC",{"asin":461,"title":462,"brand":426,"imageUrl":463,"price":464,"rating":319,"reviews":299,"clickShare90":441,"clickShare360":465,"launchDate":466,"amazonUrl":467},"B0CBQJXPDM","Big Block Chevy Racing 454 Valve Covers (Raised Logo) - Ansen USA","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41kWOCDCrAL.jpg",319.47,0.0253,"2023-07-12","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CBQJXPDM",{"asin":469,"title":470,"brand":471,"imageUrl":472,"price":473,"rating":353,"reviews":278,"clickShare90":474,"clickShare360":475,"launchDate":476,"amazonUrl":477},"B000CON2UO","Moroso 68112 Valve Covers Fits Big Block Chevy Chrome","Moroso","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41vRanHU4EL.jpg",95.99,0.0134,0.0172,"2005-11-23","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB000CON2UO",{"asin":479,"title":480,"brand":397,"imageUrl":481,"price":482,"rating":138,"reviews":138,"clickShare90":483,"clickShare360":484,"launchDate":485,"amazonUrl":486},"B0GDGZBWHD","Steel Tall Valve Covers Fits 196595 Chevy Big Block 396\u002F427 \u002F 454\u002F502 Stamped 454 Logo 1 Hole Black Finish","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41cL0WxNJEL.jpg",49.18,0.012,0.0036,"2025-12-31","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0GDGZBWHD",{"asin":488,"title":489,"brand":436,"imageUrl":490,"price":491,"rating":492,"reviews":299,"clickShare90":493,"clickShare360":494,"launchDate":495,"amazonUrl":496},"B0CGQX36Y4","GSKMOTOR Black Tall Fabricated Aluminum Valve Covers for Big Block Chevy 396 402 427 454","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41MgZzdG2ZL.jpg",81.86,2.5,0.0114,0.0118,"2023-08-28","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CGQX36Y4",{"asin":498,"title":499,"brand":500,"imageUrl":501,"price":502,"rating":503,"reviews":299,"clickShare90":493,"clickShare360":504,"launchDate":301,"amazonUrl":505},"B0F6CLH1S2","GELUOXI Tall Finned Aluminum Valve Covers 3 11\u002F16 Black with 1 1\u002F4 PCV Hole Replacement for Chevy BBC Big Block 396 454 502 1965-1995","GELUOXI","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F414g0wARWCL.jpg",101.44,3.3,0.006,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0F6CLH1S2",{"asin":507,"title":508,"brand":436,"imageUrl":509,"price":510,"rating":511,"reviews":160,"clickShare90":512,"clickShare360":513,"launchDate":442,"amazonUrl":514},"B0B3LWPZK5","GSKMOTOR Tall Fabricated Aluminum Valve Covers for Big Block Chevy 396 402 427 454 Polished","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41w8fA+zaoL.jpg",84.13,3.6,0.0107,0.0138,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0B3LWPZK5",{"asin":516,"title":517,"brand":426,"imageUrl":518,"price":133,"rating":331,"reviews":353,"clickShare90":519,"clickShare360":520,"launchDate":521,"amazonUrl":522},"B0BQSJF8Q2","454 Big Block Chevy Finned Black Valve Covers & 13 Air Cleaner Kit","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41lEWBjJmiL.jpg",0.0097,0.02,"2023-02-22","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BQSJF8Q2",{"asin":524,"title":525,"brand":526,"imageUrl":527,"price":528,"rating":529,"reviews":381,"clickShare90":530,"clickShare360":531,"launchDate":532,"amazonUrl":533},"B0B1M77B9Q","1 SET SHLPDFM Silver Valve Covers FABRICATED Polished Aluminum Valve Covers Tall Bolts with Billet Rail Fits for Big Block Chevy BBC 396 427 454 502","SHLPDFM","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F413nED0jH8L.jpg",94.69,3.7,0.0094,0.0214,"2022-05-18","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0B1M77B9Q",{"asin":535,"title":536,"brand":350,"imageUrl":537,"price":538,"rating":114,"reviews":320,"clickShare90":539,"clickShare360":540,"launchDate":356,"amazonUrl":541},"B0DZRWJXQQ","Aflle Racing Fabricated Aluminum Tall Valve Covers Smooth Top Fit Chevy BBC 396 454 502 1965-1995 Black","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F31+GDIluLkL.jpg",113.28,0.009,0.0066,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DZRWJXQQ",{"asin":543,"title":544,"brand":545,"imageUrl":546,"price":547,"rating":319,"reviews":320,"clickShare90":539,"clickShare360":548,"launchDate":549,"amazonUrl":550},"B0CWLTZZ85","JEGS OEM-Style Replacement Valve Covers for 1965-1972 Chevrolet Models w\u002FBig Block 396 402 427 454 Engines & Power Brakes [Chrome]","JEGS","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F31lR+LR2g-L.jpg",80.66,0.0105,"2024-02-27","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CWLTZZ85",{"asin":552,"title":553,"brand":426,"imageUrl":554,"price":555,"rating":556,"reviews":107,"clickShare90":539,"clickShare360":557,"launchDate":558,"amazonUrl":559},"B09Z7BDKR8","Big Block Chevy 454 Valve Covers Classic Finned - Black - Ansen USA","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41LObPzY6EL.jpg",265.22,4.8,0.0144,"2022-04-29","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB09Z7BDKR8",{"asin":561,"title":562,"brand":233,"imageUrl":563,"price":132,"rating":138,"reviews":138,"clickShare90":564,"clickShare360":565,"launchDate":566,"amazonUrl":567},"B0897BXKY5","Speedmaster PCE314.1041.01 Compatible with Chevy BBC 454 Chrome Steel Valve Covers - Short w\u002FBaffled Hole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41Hgs-rXiQL.jpg",0.0087,0.0075,"2025-01-13","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0897BXKY5",{"asin":569,"title":570,"brand":397,"imageUrl":571,"price":572,"rating":319,"reviews":114,"clickShare90":573,"clickShare360":574,"launchDate":575,"amazonUrl":576},"B005HY53OC","Steel OEMStyle Short Valve Covers Fits 19651972 Chevy Big Block 396427454 Engines Painted Orange Finish 12 Hole Design","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F31zrpDo53LL.jpg",51.91,0.0084,0.0054,"2011-08-18","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB005HY53OC",{"asin":578,"title":579,"brand":242,"imageUrl":580,"price":581,"rating":319,"reviews":114,"clickShare90":573,"clickShare360":582,"launchDate":583,"amazonUrl":584},"B0GJYDQ9SD","IMOOA Tall Ball Milled Valve Covers Polished Aluminum For Chevy Big Block Engines 396-502 1965-1995","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41IdN4G4qVL.jpg",99.6,0.0044,"2026-01-27","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0GJYDQ9SD",{"asin":586,"title":587,"brand":397,"imageUrl":588,"price":589,"rating":319,"reviews":320,"clickShare90":590,"clickShare360":591,"launchDate":592,"amazonUrl":593},"B0FBJ62BGG","Steel 196595 Chevy BB 396-427-454-502 Short Valve Covers with 454 Logo Black Finish (Pair)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41OsPVq8UFL.jpg",54.65,0.0077,0.0213,"2025-05-30","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0FBJ62BGG",{"asin":595,"title":596,"brand":597,"imageUrl":598,"price":599,"rating":189,"reviews":600,"clickShare90":601,"clickShare360":602,"launchDate":603,"amazonUrl":604},"B0CJWZKCBB","Cobra-tek VALVE COVERS | Compatible with 1965-1995 CHEVY BIG BLOCK TALL STEEL WITH 454 LOGO BLACK","Cobra-Tek","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F411EKfOvOuL.jpg",63.35,6,0.0074,0.0262,"2023-09-27","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CJWZKCBB",{"asin":606,"title":607,"brand":397,"imageUrl":608,"price":609,"rating":610,"reviews":400,"clickShare90":611,"clickShare360":612,"launchDate":575,"amazonUrl":613},"B005HYBUQW","Steel OEMStyle Tall Valve Covers Fits 19651972 Chevy BB 396427454 Recessed Corner 12 Holes Chrome","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41QEN-ZMVEL.jpg",68.05,3.2,0.007,0.0049,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB005HYBUQW",{"asin":615,"title":616,"brand":233,"imageUrl":617,"price":618,"rating":619,"reviews":299,"clickShare90":620,"clickShare360":512,"launchDate":566,"amazonUrl":621},"B01L0YQM3I","Speedmaster PCE314.1028.04 Compatible with Chevy BBC 454 Nostalgic Finned Aluminum Valve Covers - Tall w\u002FHole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41HgDrmt8UL.jpg",115.32,1.8,0.0067,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB01L0YQM3I",{"asin":623,"title":624,"brand":233,"imageUrl":625,"price":626,"rating":138,"reviews":138,"clickShare90":504,"clickShare360":627,"launchDate":566,"amazonUrl":628},"B0BWL172RY","Speedmaster PCE314.1027.01 Compatible with Chevy BBC 454 Aluminum Plain Valve Cover - Tall w\u002Fo Hole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F412BeAy6z6L.jpg",123.07,0.0033,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BWL172RY",{"asin":630,"title":631,"brand":306,"imageUrl":632,"price":633,"rating":556,"reviews":634,"clickShare90":635,"clickShare360":627,"launchDate":636,"amazonUrl":637},"B00EDFPZTY","Proform 141-932 Slant Edge Valve Cover for Small Block Chevy Blue","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41iF0bm4QHL.jpg",281.08,36,0.0057,"2013-08-07","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB00EDFPZTY",{"asin":639,"title":640,"brand":233,"imageUrl":641,"price":642,"rating":138,"reviews":138,"clickShare90":635,"clickShare360":643,"launchDate":566,"amazonUrl":644},"B08BG9SYN6","Speedmaster PCE314.1028.09 Compatible with Chevy BBC 454 Polished Ribbed Aluminum Valve Covers - Tall w\u002FHole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51ga1nLEHaL.jpg",123.57,0.0104,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB08BG9SYN6",{"asin":646,"title":647,"brand":233,"imageUrl":648,"price":649,"rating":138,"reviews":138,"clickShare90":574,"clickShare360":650,"launchDate":421,"amazonUrl":651},"B06Y1KW2BW","Speedmaster PCE314.1028.03 Compatible with Chevy BBC 454 Black Finned Aluminum Valve Covers - Tall w\u002FHole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51zu36dCmlL.jpg",109.73,0.0101,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB06Y1KW2BW",{"asin":653,"title":654,"brand":242,"imageUrl":655,"price":656,"rating":657,"reviews":114,"clickShare90":658,"clickShare360":659,"launchDate":660,"amazonUrl":661},"B0DY4C5YTZ","IMOOA Tall Fabricated Valve Covers for Chevy BBC 396 402 427 454 502 1965-1995 Black Aluminum NO Hole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41lIZu1Dh3L.jpg",101.24,2.9,0.005,0.0064,"2025-02-22","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DY4C5YTZ",{"asin":663,"title":664,"brand":397,"imageUrl":398,"price":665,"rating":556,"reviews":107,"clickShare90":658,"clickShare360":666,"launchDate":575,"amazonUrl":667},"B005HY5VDK","Steel Tall Valve Covers Fits 19651972 Chevy BB 396427454 (12 Holes Smooth Top OEM Style) Chrome Finish",65.27,0.0052,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB005HY5VDK",{"asin":669,"title":670,"brand":671,"imageUrl":672,"price":673,"rating":380,"reviews":299,"clickShare90":658,"clickShare360":674,"launchDate":675,"amazonUrl":676},"B0CJDJ4P2Z","YUCHENSHLP FABRICATED Black Aluminum Valve Covers with Billet Rail Fits for Big Block Chevy BBC 396 427 454 502","YUCHENSHLP","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41ilPPwke8L.jpg",98.85,0.0072,"2023-09-20","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0CJDJ4P2Z",{"asin":678,"title":679,"brand":233,"imageUrl":680,"price":681,"rating":138,"reviews":138,"clickShare90":682,"clickShare360":683,"launchDate":684,"amazonUrl":685},"B00SYFUGRU","Speedmaster PCE314.1174 Compatible with Chevy BBC 454 Orange Powdercoated Fabricated Valve Covers Tall w\u002FHole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41FCrBwC4gL.jpg",84.36,0.004,0.0039,"2025-03-20","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB00SYFUGRU",{"asin":687,"title":688,"brand":526,"imageUrl":689,"price":690,"rating":511,"reviews":691,"clickShare90":682,"clickShare360":692,"launchDate":532,"amazonUrl":693},"B0B1M7ZTVF","1 SET SHLPDFM Black Colour Valve Covers FABRICATED Polished Aluminum Valve Covers Tall Bolts with Billet Rail Fits for Big Block Chevy BBC 396 427 454 502","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41q32sNpFeL.jpg",83.61,7,0.0122,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0B1M7ZTVF",{"asin":695,"title":696,"brand":242,"imageUrl":697,"price":698,"rating":657,"reviews":114,"clickShare90":682,"clickShare360":699,"launchDate":566,"amazonUrl":700},"B0DSVJD677","IMOOA Tall Fabricated Valve Covers for Chevy BBC 396 402 427 454 502 1965-1995 Polished Aluminum No Hole","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41Omdv2iCQL.jpg",94.25,0.0168,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DSVJD677",{"love":702,"hate":735,"returnReasons":758},[703,710,716,722,727,731],{"topic":704,"percentOfMentions":705,"verbatims":706},"Value For Money",0.2727,[707,708,709],"were way cheaper than anything else like it","Decent for the price","Reasonable value",{"topic":711,"percentOfMentions":705,"verbatims":712},"Size-Overall",[713,714,715],"Fits good","Great fit","Fit good, looks good",{"topic":717,"percentOfMentions":718,"verbatims":719},"Leak-Proof",0.1364,[720,721],"Doesnt leak","no leaks",{"topic":723,"percentOfMentions":724,"verbatims":725},"Adjustability\u002FRotatability\u002FReclining",0.0909,[726],"Slide adjustable for the carburetors worked well",{"topic":728,"percentOfMentions":724,"verbatims":729},"Quality-Overall",[730],"has a good product",{"topic":732,"percentOfMentions":724,"verbatims":733},"Motor Power",[734],"These gave me 100 more horse power",[736,742,747,750,754],{"topic":728,"percentOfMentions":737,"verbatims":738},0.3,[739,740,741],"not show quality finish","Quality issue","Buyer beware quality is poor the flanges where you would install breather or oil cap are paper thin I went to install breather",{"topic":743,"percentOfMentions":744,"verbatims":745},"Design-Overall",0.2,[746],"Poorly Manufactured, unusable",{"topic":711,"percentOfMentions":744,"verbatims":748},[749],"can't be drilled to fit",{"topic":751,"percentOfMentions":163,"verbatims":752},"Compression",[753],"showed it had no compression in 6 out of 8 cylinders",{"topic":755,"percentOfMentions":163,"verbatims":756},"Functionality-Overall",[757],"Clearance issues",[759,761,764,766,769,772,774,777,779,781],{"reason":711,"pct":760},0.49689999999999995,{"reason":762,"pct":763},"Defective Material\u002FParts",0.0975,{"reason":755,"pct":765},0.066,{"reason":767,"pct":768},"Compatibility-Overall",0.056600000000000004,{"reason":770,"pct":771},"Maintenance And Repair",0.0377,{"reason":773,"pct":771},"Assembly\u002FInstallation",{"reason":775,"pct":776},"Advertised Vs Actual Product",0.0346,{"reason":704,"pct":778},0.0189,{"reason":780,"pct":778},"Ease Of Use",{"reason":782,"pct":778},"Rusts\u002FCorrodes"]