4.600" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap The right choice is critical

The right choice is critical for your engine and your wallet--choose Speedmaster iron distributor gears

Designed for engines producing up to 500hp

These Speedmaster alternator brackets are constructed from billet aluminum for durability and can be used with several different alternators

These Speedmaster aluminum water pump pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

They're made from quality materials

4.600" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap The right choice is criticalSpeedmaster piston rings are designed to stand up to the rigor of racing and high performance street use while providing a long lasting life. Speedmaster piston rings feature: Plasma moly coated, barrel shaped, ductile iron top rings that seal against blow by when the piston rocks in its bore; tapered secondary rings that seal against the oil control ring's upper surface for excellent oil control; and 3 piece oil rings with stainless steel expanders