Biggest power gains for your 400-430-455 engine are with TAs aluminum cylinder ... reputation not only within the Buick community, but within the entire ... cylinder head offering. By doing so, Buick Big Block powered cars utilizing TAs ... aftermarket and the only one within the Buick community. Stage 1 SE Stage 1,2,3 4 ... Aluminum Cylinder Heads 400-430-455 Street Strip Cylinder Heads 1 2 4 5 3 ... on 400 and 430 engines, you must use pushrod oiling, i.e. 455 Lifters and Pushrods. ...
our Stage 4 heads we moved the intake pushrod in order to widen the intake runner. ... . Because we moved the intake pushrod, the Stage 4 heads do require the use ... valve centers and repositioned intake pushrods. On 11:1 Compression engines out of the ... , Ontario, Canada `87 Skyhawk, 529 cid (Buick 455 bored and stroked), TA Ported ... brass or stainless tubing for sleeving pushrod or head bolt holes that have been ...