BOP Engineering One-Piece 1959-81 PONTIAC V-8 REAR MAIN SEAL,301 326 350 389 400 For Sale - New and Used

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BOP Engineering One-Piece 1959-81 PONTIAC V-8 REAR MAIN SEAL,301 326 350 389 400:
$62.99

Viton ® Pontiac One-Piece Rear Main Seals

The new BOP Engineering One-piece rear mail seal is the most advanced rear main seal on the market for the traditional Pontiac V-8. This revolutionary design features a number of state of the art innovations including relocation of the parting line which greatly reducing the risk of leaking, a more pliable construction that will work more effectively in engines with seal groove geometry issues, and double lip design to provide twice the protection against leakage as well as supporting outstanding vacuum numbers. Crankshaft must be out of the block to fit this seal prior to installation. Available in both 3 main size 301 - 400 engines and small journal aftermarket blocks, and for the 3 1/4" main size 421 - 455 engines and large journal aftermarket blocks (see RMS19 sale) www.bopengineering.com.