Crower 74122F Features:

Crower 74122F shaft rocker system for Brodix SBC -12 RP LA 40/60 and Pontiac/SBC 15° LA cylinder heads with 5/8 shaft. Stainless steel shaft-mount rockers with 1.650 in. arm length, .500 in. intake offset, and .250 in. exhaust offset. CNC precision-machined ball race alloy steel shafts are dual heat-treated and micro-finish ground for accurate geometry at max lift. Hardened tip wheel helps reduce valve stem scrubbing and supports reliable operation in high-rpm racing conditions.

Shaft Rockers Brodix -12, 15° Pontiac, 5/8 Shaft, Stainless Features:

• Stainless steel shaft-mount rockers for Brodix -12 and Pontiac/SBC 15° LA heads with 5/8 in. shaft compatibility
• 1.650 in. arm length with .500 in. intake offset and .250 in. exhaust offset for correct valvetrain geometry
• CNC-machined ball-race alloy steel shafts with dual heat-treating and micro-finish grinding for high-RPM durability
• Hardened tip wheel reduces valve stem scrubbing and withstands rigorous racing conditions for improved valve control
• Secure rocker axle fastening with optional needle-bearing roller tip compatibility to reduce friction, heat, and valve wear