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FEL-PRO
SBF Rear Main Seal 1pc. 7/10/83-1993., by FEL-PRO, Man. Part # 2921
Rear Main Seal - 1-Piece - Synthetic Rubber - Small Block Ford - Each$29.99 -
PETERSON FLUID
SBF Rear Main Seal 351 w/ 302 Crankshaft, by PETERSON FLUID, Man. Part # SM85742
Rear Main Seal - Tri-Tec - 1-Piece - Rubber / Steel - Small Block Ford - Each$103.99