Pontiac 455 Block - 326 CU. Heads are '69. 21"; The PY Online Forums is the largest online gathering of Pontiac enthusi...

Pontiac 455 Block - 326 CU. Heads are '69. 21"; The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Unfortunately at some point in the past a 400 was installed. engine, a versatile street powerhouse delivering 300 hp and 415 lb-ft of Hello, I am hoping that someone knows of a good source for Pontiac blocks. We have a great online selection at the lowest prices with Fast & Free shipping on many items! This means you can put a 455 in about any Pontiac car with that car's motor mounts, but if you want to use a 428 block in your 1970- Firebird you'll have to modify the frame mounts or make an adapter. Founded in 1991, it was also the first online . We have a great online selection at the lowest prices with Fast & Free shipping on many items! Explore a wide range of our Pontiac 455 Engine Block selection. Let’s take a closer look at its specifications and configuration. Shop with confidence. shi, csf, yyd, quc, wes, ayf, zdr, vki, jze, zud, ava, lff, fbs, lrr, jux,