4.600" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap Designed for engines producing up

Designed for engines producing up to 500hp

Welcome to the new era in fuel injection

Speedmaster TDS stepped up and created a full line of super-strong forged and billet yokes

and work with stock components

They're made from quality materials

4.600" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap Designed for engines producing upSpeedmaster 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