Buick V8 1957-66 Rear Main Seal (Rubber)
Rear Main Seal in rubber material (also comes in a rope material-not pictured) fits the 1957-66 Buick V8 364, 400, 401, & 425 cubic inch engines.
Best set #3A29S (rubber) or Best set #5143 (rope)
Made in the USA!

1957-66 Buick V8 Rear Main Seal, rubber, for 364, 400, 401, & 425 cubic inch engines