Crower 74150F Features:

Crower 74150F stainless steel shaft-mounted rocker arm system for Trick Flow GenX 245 CNC LS1-1X heads Full-roller design with needle-bearing roller tips helps reduce friction, valve guide wear, and valve stem wear Features a 5/8 in. shaft with 7/16 mounting bolts for rigid, accurate shaft-mount valvetrain control 0.100 in. intake offset and 0.000 in. exhaust offset; custom rocker arm ratio specified when ordering

Shaft Rockers Trick Flow Stainless Steel Shaft-mount For Trick Features:

• Stainless steel shaft-mounted rocker system for Trick Flow GenX 245 CNC heads, 5/8 in. shaft, 7/16 mounting bolts
• Full-roller rocker design with needle-bearing roller tips for reduced friction and improved valve control at higher RPM
• Custom rocker-arm ratio specified when ordering, with 0.100 in. intake offset and 0.000 in. exhaust offset
• Steel-based valvetrain rigidity and accuracy with optimized moment of inertia for racing and endurance applications
• Complete kit design for easier installation, reduced valve stem and guide wear, and longer service life than aluminum rockers