4.600" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap Speedmaster H-beam connecting rods are

Speedmaster H-beam connecting rods are perfect for supercharged and nitrous applications

Speedmaster K1045 steel enclosed elastic dampers are tested to 12

easy-to-read timing marks

02" valves are standard issue

4.600" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap Speedmaster H-beam connecting rods areSpeedmaster 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