Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.060") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 630-16 these 7 degree retainers are

these 7 degree retainers are designed specifically for 3/8" valve engines with a 1

Available in your choice of vertical or horizontal LED indicator designs to best suit your custom interior

Advanced idle

& TH400 (Reverse Pattern)

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.060") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 630-16 these 7 degree retainers areSpeed 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