LS3 BSR Shaft Rocker Arm Kit 1.7 /1.7 Ratio

The COMP Cams LS3 BSR Shaft Rocker Arm Kit with a 1.7/1.7 ratio is designed for serious LS engine builders and performance enthusiasts who require reliable valve actuation in high-output applications. This kit is ideal for those upgrading beyond stock LS3 cylinder heads, suitable for naturally aspirated builds, forced induction platforms, or high-RPM race engines.

Shaft rocker systems eliminate the deflection and wear common in stamped steel rockers, making this COMP Cams solution essential for those demanding consistent valve timing across extended engine operation. The 1.7/1.7 ratio indicates equal intake and exhaust rocker geometry, optimizing valve lift multiplication for balanced cylinder head flow characteristics. Precision machining ensures tighter tolerances than traditional pedestal designs, reducing friction and minimizing deflection under high valve spring pressures.

This rocker arm kit is particularly beneficial for LS3 (6.2L) engine applications, enhancing performance for street, boosted, and race setups. COMP Cams' engineering guarantees consistent geometry across the entire rev range, preventing valve-to-piston contact issues and maintaining precise valve events that directly correlate to power output and drivability.