Keep your valvetrain reliable throughout the entire rpm range with the BTR upgraded trunion retrofit kits. The BTR retrofit trunion kits are designed to convert stock LS7 and LT1/LT4 series rocker arms into captured roller trunions for high-rpm applications.
Trunion Upgrade Kit Includes
- Rocker arm trunions
- Rocker arm bearings
- Rocker arm retaining clips
- New 8mm 12-point bolts