Chevy BBC 454 Shaft Mount 1.7 Ratio Aluminum Race Rocker Arms Set w/ Hardware Speedmaster planetary gears are cut

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

a cable retention ring

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

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 Speedmaster planetary gears are cutBenefits Characteristics Rated 750 lbs. open spring pressure Internal oiling system for long lasting performance SAE 42100 full complement precision needle and cage roller bearings.