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⚡ Upgrade your Gen V engine’s heartbeat with unmatched valvetrain precision!
Michigan Motorsports Gen V/LT Rocker Arm Trunion Upgrade Kit replaces factory needle bearings with captured roller bearings, enhancing valvetrain stability and durability for Gen V LT1, LT4, LV3, L83, and L86 engines. The kit includes 16 trunions, 32 bearings, retaining rings, upgraded high-strength bolts, and installation washers, designed for easy DIY installation. Ideal for performance engines with aftermarket cams, superchargers, turbos, or nitrous, it ensures reliable high-RPM operation and prevents intake port interference.
| Manufacturer | Michigan Motorsports |
| Brand | Michigan Motorsports |
| Model | Gen V LT Rocker Arm Trunnion Upgrade Kit |
| Item model number | 55200 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 55200-01A |
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