Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.000" Bore (+.045") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Low BR20003 or three-hole gussets are 1-7/8"

or three-hole gussets are 1-7/8" tall x 1/8" thick

including coils

Stamped and hardened for superior wear resistanceThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

RIGID Adapt

20 to 14 / 10 to 18 Gauge Wires

Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.000" Bore (+.045") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Low BR20003 or three-hole gussets are 1-7/8"Speed 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