781 big block heads. 3K views 4 replies 4 participants last post by techinspector1 May...

781 big block heads. 3K views 4 replies 4 participants last post by techinspector1 May 25, 2010 1 Jan 21, 2016 · The 781 heads are the best cast iron large oval port heads GM ever produced for the big block Chevy engine. So we dusted that one down an additional . We have a great online selection at the lowest prices with Fast & Free shipping on many items! Jan 25, 2023 · 454 big block 781 heads build 454 big block bbc heads 781 horsepower Jump to Latest 30K views 57 replies 22 participants last post by 74 Nova Jul 23, 2023 Jan 3, 2009 · I have an orginal 1973 Chevy truck with a 454 2 bolt main, steel crank. 88 stainless valves, comp tatanium valve spring retainers, valve springs are for 700 + Block-Heads is a 1938 American comedy film directed by John G. They are the best GM street head made. Find many great new & used options and get the best deals for BBC 781 Heads Big Block Chevy 396 427 454 336781 1973-78 Open Chamber at the best online prices at eBay! Free shipping for many products!. If you pull the valve cover the number is cast onto the intake runner. 19 May 25, 2010 · 049 or 781 Big Block Heads? Jump to Latest 8. I bought a set of heads 14092360s that according to Mortec are late 80s oval port truck heads. Apr 13, 2004 · To wit, I had one head that measured 1.