Fits 1959-1985 Chevrolet Small Block with 2-piece rear main seal 1972-dodge-w100-pickup-esi7892153 0 mm Ring Grooves -

0 mm Ring Grooves - Minus 24

Coil Spring - Conventional - 5 in OD - 13 in Length - 275 lb/in Spring Rate - Rear - Steel - Silver Powder Coat - Each

Neck Support - Carbon Look - 360 Degree - Padded - Polyester - Black / Green - Youth Size - Each

13 in Extended - C6-R6 Valve - Steel - Black Paint - Front - Left Side - Street Stock - Each

Fits 1959-1985 Chevrolet Small Block with 2-piece rear main seal 1972-dodge-w100-pickup-esi7892153 0 mm Ring Grooves -This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It's also injection molded for a precise fit.