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This doughnut style seal goes into the intake water cross over and mates up with the back of the timing cover on both the early (8 bolt) and late style (11 bolt) timing covers. -
Permatex Ultra Black RTV silicone -
3" Tin Indian Performance Pontiac Viton® rear main seal. TIP-RM300
These seals are specifically designed for the traditional Pontiac block and they fit both stock and aftermarket MR-1 Pontiac blocks. The seals are made of Viton® and are far superior to the factory rope seal. They are the single most reliable way to control oil in a Pontiac engine. This product is a direct replacement for the conventional rope style seals in Pontiacs which are prone to leak over time. Our seals are made and designed by Pontiac Engine Builders and are the clear choice when you want the absolute best in oil control when rebuilding your Pontiac engine. Seal fits 3" main aftermarket blocks as well as 301, 326, 350, 389 and 400 blocks. -
3.25" Tin Indian Performance Pontiac Viton® rear main seal. TIP-RM325
These seals are specifically designed for the traditional Pontiac block and they fit both stock and aftermarket MR-1 Pontiac blocks. The seals are made of Viton® and are far superior to the factory rope seal. They are the single most reliable way to control oil in a Pontiac engine. This product is a direct replacement for the conventional rope style seals in Pontiacs which are prone to leak over time. Our seals are made and designed by Pontiac Engine Builders and are the clear choice when you want the absolute best in oil control when rebuilding your Pontiac engine. This seal fits 3.25" main aftermarket blocks as well as 421, 428 and 455 blocks. -
This is our 3.25″ Tin Indian Performance Pontiac Viton® rear main seal kit. The kit includes one 3.25″ rear main seal and a 3.35 oz tube of Permatex Ultra Black sealer. This seal fits 3.25" main aftermarket blocks as well as 421, 428 and 455 blocks. -
3" Tin Indian Performance Pontiac Viton® rear main seal kit. The kit includes one 3" rear main seal and a 3.35 oz tube of Permatex Ultra Black sealer.
