Sealed Power Performance Piston Rings - 4.390 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder 91940079 1975-1989 Excalibur Phaeton

1975-1989 Excalibur Phaeton

Armortex® palm reinforcement

Bolt your pump and hanger down

1965-1968 Triumph TR4A

1997-2002 Ford E-150 Econoline Club Wagon

Sealed Power Performance Piston Rings - 4.390 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder 91940079 1975-1989 Excalibur PhaetonProduct Description: Piston Rings Performance 4. 390 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