ls trunion upgrade kit
Skip itPrices mostly outside the sweet spot ($48.75–$329.24) — this niche doesn't clear our bar today.
Review moat
Incredible52.45avg incumbent reviews — the moat a new listing must climb
Returns
Great1.7%return rate — above 6% kills the launch gate
Avg price
Good$145.13avg listing price — sweet spot $15–$100
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Growth
Okay+3.7%90-day search growth — must beat 0% to launch
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Market size
Bad$77K$77K/yr · 20K searches
Price range
Bad$48.75–$329.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
53
Top-5 brand share
81%
Open market
14%
- Michigan Motorsports40%
- Dynosty20%
- Xotic Performance8%
- BTR Brian Tooley Racing7%
- RJSPHH7%
- labwork5%
- Open — no brand owns it (7 brands, 14%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete Set of 16 Ready-to-Install Rockers
Michigan Motorsports$195.214.7★342 rev
BTR V2 Trunnion Kit LS Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002
Dynosty$149.254.6★77 rev
Michigan Motorsports LS Rocker Arm Trunnion Upgrade Kit | High-Performance Bearing Upgrade | Fits GM LS1 LS2 LS3 LS6 4.8L 5.3L 5.7L 6.0L Engines
Michigan Motorsports$112.714.6★180 rev
LS1 Rocker Arms with Bolts and Pre-Installed Trunion Kit - Fits LS2 LS6 LQ4 LQ9 LM7 4.8L 5.3L 5.7L 6.0L Engines - Xotic Performance | CP201
Xotic Performance$174.194.3★52 rev
BTR Brian Tooley Racing LS Rocker Arm Trunbion Kit (TK001) | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LQ4 LM7 LM4 Engines | Upgraded Bearing Trunnion Kit
BTR Brian Tooley Racing$119.194.9★26 rev
Newest
by launch date
Engine 16 Pcs LS Rocker Arms w/Installed Upgraded Trunion Kit Fit for GM LS 4.8L 5.3L 5.7L 6.0L LS2 LS6 LQ4 LQ9 LY5 LM7 L33 Replacement 10214664 12681275
TKUASWEB$94.441 rev
EPChunMi LS Rocker Arm Trunion Kit with upgraded bolt Fits GM LS1 LS2 LS3 LS6 4.8 5.3 5.7 6.0 6.2L Engines
EPChunMi$95.246 rev
EPChunMi LS Rocker Arm Trunion Kit Fits GM LS1 LS2 LS3 LS6 4.8 5.3 5.7 6.0 6.2L Engines no bolts
EPChunMi$88.435 rev
A-Premium 16Pcs Alloy Steel LS1 Rocker Arms and Bolts with Trunion Kit Compatible with GM LS2 LS6 LQ4 LQ9 LY5 LY6 LM7 346 1.7 Ratio 4.8L 5.3L 5.7L 6.0L
A-Premium$139.0110 rev
CHE4290 LS Trunnion Kit with LS Rocker Arm Bolts | Fits LS1 LS2 LS6 LQ4 LQ9 LY5 LY6 LM7 5.3L 5.7L 6.0L 6.2L | High Performance Trunion Upgrade Kit
Michigan Motorsports$268.241 rev
Trending
90-day click momentum
Pateyney LS1 LS2 LS6 5.7L 6.0L Enhanced Rocker Arms with Upgraded Trunion Kit Installed
Pateyney$108.490.0★
EPChunMi LS Rocker Arm Trunion Kit Fits GM LS1 LS2 LS3 LS6 4.8 5.3 5.7 6.0 6.2L Engines no bolts
EPChunMi$88.434.6★
CHE4290 LS Trunnion Kit with LS Rocker Arm Bolts | Fits LS1 LS2 LS6 LQ4 LQ9 LY5 LY6 LM7 5.3L 5.7L 6.0L 6.2L | High Performance Trunion Upgrade Kit
Michigan Motorsports$268.245.0★
BTR V2 Trunnion Kit with Bolts Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002
Dynosty$168.144.5★
BTR Brian Tooley Racing LS Rocker Arm Trunbion Kit (TK001) | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LQ4 LM7 LM4 Engines | Upgraded Bearing Trunnion Kit
BTR Brian Tooley Racing$119.194.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“High quality, very easy to install with just a bench vise”
“this kit is well worth the money”
“very well put together”
“Longevity”
“Fit great”
“Looks good works good”
“Does what they're supposed to”
“The clips themselves are consistent on thickness”
“materials is obvious right out of the box”
“After installation, valve train operation is smooth and quiet, even at higher RPMs”
What buyers complain about
“this Kit is not High Quality”
“Snapped”
“Roller bearings came in broken”
“top end sounds like nothing”