Speed-Pro File-Fit Piston Ring Set - Plasma-Moly - 4.125" Bore - 1/16" - 1/16" - 3/16" Thickness - 8-Cylinder - Set of 8 2010295 smoke or flames from entering

smoke or flames from entering the helmet

Pistons are available in

Boost: -29 inHG to 43

Includes Torrington roller bearing as well as a 6-degree maximum advance/retard

and User Manual CD

Speed-Pro File-Fit Piston Ring Set - Plasma-Moly - 4.125" Bore - 1/16" - 1/16" - 3/16" Thickness - 8-Cylinder - Set of 8 2010295 smoke or flames from enteringSpeed Pro designs and engineers pistons to meet the most demanding street performance and racing conditions. In combination, we draw upon more than 100 years of Speed Pro engine mastery to enhance the piston ring and its seal. Our Speed Pro(R) brand is recognized for being a winner in every form of racing, and is the proven horsepower leader in oval track and drag racing. Hell Fire(R) Rings: Speed Pro Hell Fire rings, manufactured from a specially