Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 1/8", Oil Tension Ring: Standard H775CA3XXXL 102Mm Throttle Bore Opening For

102Mm Throttle Bore Opening For Increased Air Flow

Pontiac Firebird 1981-1977

orange spring (5' Hg)

GM Fullsize SUV / Truck 1997-2006

Countersunk Washers 1/4" x 1"

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 1/8", Oil Tension Ring: Standard H775CA3XXXL 102Mm Throttle Bore Opening ForSpeed 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