Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.250" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 51110 1935-1945 STREET ROD Street Rod

1935-1945 STREET ROD Street Rod CID 283

And It comes with three (3) sizes of replaceable rubber tips for a more custom fit

Ford/Mercury 2

1/8" NPT Boost Reference " 1:1

Use of a restrictor plate increases the water pressure in the blockSince 1938

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.250" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 51110 1935-1945 STREET ROD Street RodSpeed 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