Chevy BBC 454 Shaft Mount 1.7 Ratio Aluminum Race Rocker Arms Set w/ Hardware The forged output shaft from

The forged output shaft from the Speedmaster planetary gear sets offer excellent torsion memory

intake valve with minimal additional work

UNDER BEARING SPACER TO SUIT OVER SIZE BEARING SUPPORT

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

Speedmaster OEM-style high-torque replacement starters look like your OE starter but pack a hidden surprise of high-torque cranking power

Chevy BBC 454 Shaft Mount 1.7 Ratio Aluminum Race Rocker Arms Set w/ Hardware The forged output shaft fromBenefits Characteristics Rated 750 lbs. open spring pressure Internal oiling system for long lasting performance SAE 42100 full complement precision needle and cage roller bearings.