Hello, this auction is for a pair of completely assembled aluminum big block Ford cylinder heads.  These heads will fit all 429-460 and great on big stroker engines.  If you are thinking about building a 460 or larger big block Ford these heads are the only way to go.  These heads will save you about 60lbs on weight over stock iron heads and will give you 30-50 more horsepower then production Ford heads.  These heads are machined and assembled by us.These heads work great on Carburetor and fuel injection engine and no special gaskets needed.The specs on the heads are as follows:

Intake/Exhaust port volume: 275cc/100cc

Combustion Chamber volume: 95cc

Valve size: 2.19x1.71 1 Piece stainless steel swirl polished valves

Valve Springs: Single with dampner 125lbs closed pressure.  Springs will accomadate .640 lift.

Flow figures: 322 cfm @ .600 Intake 195cfm @ .600 on the exhaust

  This pair of heads are a direct replacement for any 1968 through 1995 429-460 ford engine. They accept standard 460 intake and exhaust manifolds, you do not need to use  Cobra Jet intake or exhaust. If you have any questions feel free to e-mail. Thanks for looking and happy bidding. these heads are comparable to Edelbrock,dart,Pro comp P-3051 same specs and flow numbers,merlin,rpm,trick flow heads.Please look in our ebay store inventory for correct roller rocker studs and correct guide plates, head studs and also lots of our Ebay store inventory parts for sale have free shipping!! 

We also sell the correct needed parts for these heads with ebay auction numbers 

232439453345 correct 3/8 guide plates

372038106248 correct 5/16 guide plates

142469379710 correct cyclinder heads studs with 12 point nuts and washers

142469379712 correct 1.7 stainless steel full roller rocker arms with poly locks (1.72 and 1.73 same)

372038106244 correct 7/16 .200 longer screw in rocker studs