Chevy BBC 454 Shaft Mount 1.7 Ratio Aluminum Race Rocker Arms Set w/ Hardware They're made to replace defective

They're made to replace defective or damaged pickups in all Speedmaster 8020 series distributors

UNDER BEARING SPACER TO SUIT OVER SIZE BEARING SUPPORT

Speedmaster electric vane-style pumps help to maintain vacuum levels and proper braking performance while offering less noise and vibration

while also enhancing its appearance

Speedmaster planetary gears are cut with a straight tooth instead of the helical cut tooth

Chevy BBC 454 Shaft Mount 1.7 Ratio Aluminum Race Rocker Arms Set w/ Hardware They're made to replace defectiveBenefits Characteristics Rated 750 lbs. open spring pressure Internal oiling system for long lasting performance SAE 42100 full complement precision needle and cage roller bearings.