Brian Tooley Assembled LS3 Shaft Rocker Kit V2 WITH ARP 234-7207 Rocker Arm Studs

Pre-Assembled with BTR Rocker Bodies

Fits 2007-2015 Rectangle Port LS Heads 6.2L LS3 L99 LSA LS9 L92 L96 L76 L77

Compatible with OEM Casting #'s 821, 823, 5364

Will not fit Trick Flow, PRC or AFR heads. May fit other aftermarket heads, please verify.

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.