Sealed Power Performance Piston Rings - 4.093 in Bore - Drop in - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder HYPLXSM11PAFIA it is a suitable upgrade

it is a suitable upgrade from Bi-Metal engine bearings

5 Pound take up spring

86 and newer blocks with one piece rear main seals to accept an older style two piece seal crank shaft

7-1/4 in 3-Disc Quarter Master Optimum-RR Import Clutches

Sealed Power Performance Piston Rings - 4.093 in Bore - Drop in - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder HYPLXSM11PAFIA it is a suitable upgradeProduct Description: Piston Rings Performance 4. 093 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