Speed Pro Claimer Series Piston Rings - 4.030 in Bore - Drop In - 1/16 x 1/16 x 3/16 in Thick - Standard Tension BR10123 13/16 x 16 in Thread

13/16 x 16 in Thread

1960-1967 Cadillac DeVille

1968-1969 Mercury Marquis

746 Shank length for use with aluminum wheels that are between 11/16 and 7/8 at the stud hole and have a flat seat

Speed Pro Claimer Series Piston Rings - 4.030 in Bore - Drop In - 1/16 x 1/16 x 3/16 in Thick - Standard Tension BR10123 13/16 x 16 in ThreadSpeed 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