Fel-Pro Performance main bearing seals are made of high-grade materials, such as silicone, polyacrylate, or fluoroelastomer. Race engine builders prefer these premium seals for their severe-duty needs.

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FELPRO Rear Main Seal, 2-Piece, Silicone, For Chevrolet, Small Block V8/L6/V6, Each

FELPRO Rear Main Seal, 2-Piece, Silicone, For Chevrolet, Small Block V8/L6/V6, Each

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