Sealed Power Performance Piston Rings - 4.060 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder BR20004 5" tube MAC-XC-1

5" tube MAC-XC-1

1979-2000 GMC K2500

2017-2019 GMC Sierra 2500 HD

Available in either steel or nylon

Inner Braided Liner

Sealed Power Performance Piston Rings - 4.060 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder BR20004 5" tube MAC-XC-1Product Description: Piston Rings Performance 4. 060 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder Sealed Power engine products are application engineered components, including pistons, piston rings, engine bearings, oil pumps and lifters. These proven replacement parts are the result of product development efforts, dedicated to putting only the absolute best on the street. Our engineers design and validate the