461 pontiac formula engine

Description

This sale is for a Butler Performance 461 engine only. Engine is out of a 1972 firebird formula 400. It still has the original 400 4 speed carb built by cliff rugles too. The engine is blue printed and dyno tested by JBP. It was never ran after the break in and dyno run which net 472HP and 527TQ. I have the dyno sheet and billing docs from Butler. Roller cam with roller rockers, eagle rotating assembly with H beam rods and forged pistons. Heads are ported and polished, intake has port work also. Starter, flywheel, and MSD billet distributor, Holley fuel pump. You have an easy 12K value with receipt validation from Butler that you can get for much less and it's still new!
What you see in the pictures is what you are buying, turnkey JBP 461 engine.
This is a killer engine for your stock appearing Pontiac.