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Michigan Motorsports LS1/LS3 Bronze Bushing Rocker Arm Trunnion Upgrade Kit | Fits LS1, LS3, LS7, LT1, LSX, LQ9, LS2, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L | High-Performance LS Upgrade
4.2 (68 items)
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$109.79 cheaper than the new price!!
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New $182.99
Product details
| Management number | 215523917 | Release Date | 2026/04/12 | List Price | $73.20 | Model Number | 215523917 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Upgraded Bronze Bushing Rocker Arm Trunnions – Eliminates factory needle bearings that can fail under high-RPM stress, reducing engine wear and improving longevity.
- Direct Fit for LS Engines – Compatible with LS1, LS3, LS7, LT1, LSX, LQ9, LS2, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L engines, offering a hassle-free installation.
- CNC-Machined Precision Fit – High-strength trunnions ensure optimal alignment, increased rocker arm stability, and improved valvetrain efficiency.
- Built for Performance Applications – Designed for naturally aspirated, turbocharged, and supercharged LS builds, making it a reliable upgrade for high-horsepower engines.
- Proven Durability for Street & Track Use – Tested for long-lasting performance under extreme conditions, ensuring maximum power output and reliability.
| Brand | Michigan Motorsports |
|---|---|
| Model | Trunnion Kit |
| Manufacturer | Michigan Motorsports |
| Item model number | 74300 |
| Manufacturer Part Number | 74300 |
| Is Discontinued By Manufacturer | No |
Rocker Arms
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