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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 Engines

Brian Tooley Racing

  • $ 12900


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 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

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