Crower 74168B Features:

Billet steel shaft-mount rockers for SBC with Brodix GB-2000/GB-2300 and All Pro 272-21/280-22 cylinder heads; Crower part number 74168B. 1.650 in. arm length with 0.750 in. intake offset and 0.250 in. exhaust offset for matched valvetrain geometry on specified racing head applications. CNC-machined ball-race alloy steel shafts are heat-treated twice and micro-finish ground in-house, with fully rollerized needle bearing fulcrums and hardened tip wheels. Includes aircraft-quality 12-point nuts, super-secured axles, and hi-temp alloy lash adjusters that are thread-rolled after double heat-treating for added durability.

Billet Shaft Rockers Sb C SBC Brodix Gb2300, 1.650 Features:

• Billet steel shaft-mount rockers for SBC with Brodix GB-2000, GB-2300, and All Pro 272-21 and 280-22 head fitment
• 1.650 in. arm length with 0.750 in. intake offset and 0.250 in. exhaust offset for corrected valvetrain geometry
• CNC-machined ball-race alloy steel shafts, double heat-treated and micro-finish ground for strength and stability at high rpm
• Fully rollerized needle-bearing fulcrum with hardened tip wheels to reduce friction, tip scrubbing, and valve train wear
• Aircraft-grade 12-point hardware, super-secured axles, and double heat-treated lash adjusters for racing-duty durability