Product Description
Brian Tooley Racing Assembled LS1 Shaft Rocker Kit V2
Pre-Assembled with BTR Rocker Bodies.
Fits 1997-2013 Cathedral Port LS Heads 4.8L 5.3L 5.7L 6.0L LS1 LS2 LM7 L33 LQ4 LQ9
Compatible with OEM Casting #'s 243, 241, 799, 853, 706, 862, 317.
Fits Trick Flow Cathedral port heads. May fit other heads, please verify first.
Performance-minded engine builders know there is an inherent issue with valve train deflection when using stock rocker arm mounting in Chevrolet Gen III-IV-cylinder heads. The BTR shaft rocker system significantly reduces that deflection thereby improving performance and durability. This kit features technology typically only found in high-end shaft rocker systems. The shaft rocker system consists of a billet steel stand equipped with four shafts per cylinder head, fasteners and bearings. The shafts are made from genuine 52100 bearing steel. Each pair of rockers has five fasteners mounting them to the rocker stand compared to the traditional single bolt per rocker configuration. During the development of this system, both aluminum and steel stands were tested - steel reigned supreme. The new BTR shaft rocker kit is ready for installation, already pre-assembled with high strength BTR rocker arm bodies. This updated V2 version of the shaft rocker kit features a shim design for easier assembly compared to snap rings and higher strength.
Stock GM Rocker arm bolts can be reused, or choose from our aftermarket bolt options.
No. More. Broken. Rockers!
- All new 1.7 ratio drop-in design rocker arm bodies
- 46% Stronger than stock Chevrolet rockers in FEA analysis.
- Extended tip design allows for higher valve lift and improved valve tip durability.
- Superior Moment of Inertia compared to roller tip rockers for maximum RPM capability.
