Rear Main Bearing Seal: Pontiac- Viton upgrade (V8 59-79) - choose Size

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Reviews

If your intro an upgraded rear main oil seal for the Pontiac V8 Block.. this is the Viton rear seal.

Two Piece seal, a lot better then the Pontiac rope type.

3" Seal fits all 301, 326 350 & 389, & 400 Pontiac engines as well as aftermarket blocks. Only 3" cranks.
3 1/4 Seal fits all 428 thru 455 Pontiac engines as well as aftermarket blocks.

Choose 3 Inch or 3. 1/4"

Option::

Reviews

If your intro an upgraded rear main oil seal for the Pontiac V8 Block.. this is the Viton rear seal.

Two Piece seal, a lot better then the Pontiac rope type.

3" Seal fits all 301, 326 350 & 389, & 400 Pontiac engines as well as aftermarket blocks. Only 3" cranks.
3 1/4 Seal fits all 428 thru 455 Pontiac engines as well as aftermarket blocks.

Choose 3 Inch or 3. 1/4"