Speed Pro Performance Piston Rings - 4.360 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E424K40 29061BL this system includes all necessary

this system includes all necessary parts and hardware for installation

Fully CNC machined from T6 6061 Billet Aluminum and are designed to work with the stock shift knob and all aftermarket shifter knobs

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Specifically designed to perform at higher engine speeds with significant power increase over standard Hydraulic lifters

This modification does result in the engine taking slightly longer to reach operating temperature in cold weather

Speed Pro Performance Piston Rings - 4.360 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E424K40 29061BL this system includes all necessaryProduct Description: Piston Rings Performance 4. 360 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers can