Which rear main seal do I need for my Pontiac? #pontiac

Tin Indian Performance thanks you for watching!! TIP-RM300 For 3” Main blocks 301, 326, 350, 389, 400 cid Sealing surface approx. 3.188” Purple in color Buy here: https://www.tinindianperformance.com/... TIP-RM325 for 3.25” main blocks 421, 428, 455 cid Sealing Surface approx. 3.436” Black in color Buy here: https://www.tinindianperformance.com/... We also sell rear seal kits that come with sealer: https://www.tinindianperformance.com/... To see more videos about all things Pontiac and Tin Indian Performance click the LIKE and subscribe button in the video and click the bell to receive notifications of new content! FIND MERCHANDISE HERE: https://www.tinindianperformance.com/... TO FOLLOW AND SEE WHAT WE'RE UP TO:   / tinindianperformance   email: [email protected] think . Pontiac . power