Brian Tooley Racing TK001 BTR Rocker Arm Trunion Upgrade Kit for GM Chevrolet GEN III IV LS 4.8 5.3 5.7 6.0 6.2 EnginesKeep 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 LS 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

Damper Spring Included:Yes

Machine work may be required

which helps maintain bottle temperature for more consistent nitrous pressure and horsepower

To overcome head gasket failures that can occur in diesel engines employed in truck and RV applications

Choppy thumping idle

Enginetech RCF244P Rebuild Ford 4

-One-piece construction from

Other features include integrated nitrous bungs and perfect bolt-on fitment that allows the use of factory accessories without modification or clearance concerns

and hex nuts

Hi-Tech Roller Race Timing Sets

Will work in 5

Bottle Finish: Powdercoated purple