Crower 74706F Features:

Crower 74706F stainless steel shaft-mount rocker system for BIG BLOCK CHEVY Brodix Head Hunter 383 24° cylinder heads. 1.650 ratio with .100 offset, using 218F intake and 219F exhaust rocker arms for the BP HH BB 383 setup. Includes 1-piece intake stands with 5/8 in. stands for easier installation and no additional machine work. Stainless steel construction delivers high rigidity, reduced deflection, and longer service life than aluminum in racing use.

Shaft Rockers Bb Chev Bro 1.650 Ratio, .100 Offset, Features:

• Stainless steel shaft-mount rocker system for BBC Brodix Head Hunter 383 24° applications with 5/8 in. stands
• 1.650 ratio with .100 offset for optimized valvetrain geometry and reduced deflection under high-RPM loads
• 1-piece intake stand design for no-additional-machine-work installation and easier service access during setup
• Uses 218F intake and 219F exhaust rocker arms for BP HH BB 383 fitment consistency and balanced operation
• Extreme rigidity, accurate valve motion, and longer service life in sustained high-heat racing environments