Crower 74114F Features:

Crower 74114F shaft-mounted rocker system for SBC with Brodix 10X or 11X heads and 40/60 valve spacing Stainless steel rockers with a 5/8 in. shaft for increased valvetrain stiffness and high-RPM stability Shaft design helps eliminate flex common in stud-mount systems for more accurate rocker positioning over the valve Engineered for extreme rigidity with reduced friction to support valve control, valve spring life, and lower wear

Shaft Rockers Brodix 10X, 11X 40/60 Valve Spacing 5/8 Features:

• SBC shaft-mount rockers for Brodix 10X and 11X heads with 40/60 valve spacing and precise valvetrain geometry
• 5/8 in. shaft fulcrum design for increased mounting stiffness, reduced flex, and improved high-RPM valve control
• Stainless steel rocker construction for superior heat stability, long service life, and heavy spring load durability
• Needle bearing and alloy steel roller tip design for lower friction, added horsepower, and reduced valve guide wear
• Built for high-stress racing and street-strip use with greater valvetrain stability and longer valve spring life