SoCal Jet Boats

Classifieds => Random Boat Parts For Sale => Topic started by: 76Hondo on March 06, 2016, 11:22:48 AM

Title: BBC 781 oval port heads bolt on ready. Lots of good stuff
Post by: 76Hondo on March 06, 2016, 11:22:48 AM
 GM 781 cast oval port heads. 2.19/1.88 stainless back cut valves. Unshrouded the valves, short side radius blend. Opened the runners up. Decked to 114cc combustion chambers. Chromoly rocker studs, raised guide plates. Dual spring with damper for solid roller up to 650lift good for 6500rpm. Hardened spring seats on exhaust valves. New valve guides were installed where needed when they were rebuilt. Comes with trick flow chromoly head bolts. They were on a 496 for 6 trips last season. All parts were new when rebuilt. Also have single plane single 4150 carb intake ported and matched to these heads
Title: Re: BBC 781 oval port heads bolt on ready. Lots of good stuff
Post by: 69kona on March 06, 2016, 12:29:33 PM
Just wondering how much u asking on those heads? How come your not running them anymore? How many pound spring?thank u


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Title: Re: BBC 781 oval port heads bolt on ready. Lots of good stuff
Post by: 76Hondo on March 06, 2016, 01:42:01 PM
500lb/in. Came across a set of alum heads for this mill. These are very nice ovals. 1000 OBO PM BEST OFFER. Springs alone cost 380$$
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