Crower 74140XF Features:

Crower 74140XF stainless steel shaft rockers for SB FORD AFR heads with 5/8 shaft, rated for less than .700 lift. Fits AFR Small Block FORD #165-225 cylinder heads and applications requiring a +.100 valve length. Features 1.450 arm length, .100 intake offset, .000 exhaust offset, and uses 085F stand ID, Part # 74400X085F. Shaft-mounted steel valvetrain design delivers high rigidity and accuracy while optimizing moment of inertia.

Shaft Rockers Sb Ford Afr 5/8 Shaft Under .700 Features:

• Stainless steel shaft rockers for AFR small-block Ford heads, for applications under .700 lift, with a 5/8 shaft design
• Fits AFR #165 - 225 cylinder heads requiring +.100 valve length, helping maintain proper valvetrain geometry and fit
• 1.450 arm length with .100 intake offset and .000 exhaust offset for precise rocker alignment and consistent motion
• Extreme rigidity and optimized moment of inertia support accurate valve action during sustained high-rpm operation
• High-heat stainless construction delivers longer service life than aluminum rockers with easier installation and maintenance