Hello, this sale is for a Top End Kit which includes: completely assembledaluminumsmall block chevycylinder heads, Cylinder Head Studs with Washers and Nuts, Guide Plates, Rocker Studs, and Stainless Steel Roller Rockers. These heads will fit all 262-400cid engines from 1955 through 1999 and are nearly identical to ProComp Motorsports heads part number P3002S. The heads have provision for either center bolt or outside bolt hole valve covers. They will also accept either Vortec or the early style intake manifold. If you are thinking about building any type of high preformance small block Chevythese heads are the only way to go. They will save you about 30lbs on weight over stock iron heads and will give you 30-50 more horsepower then OEMGM production heads.These heads aremachined and assembled by us. These heads work great on Carburetor and fuel injection engines and no special gaskets needed.The specs on the heads are as follows:
Intake/Exhaustport volume: 190cc/72cc
Combustion Chamber volume: 64cc
Valve size: 2.02x1.60
Valve Springs: Single with dampner 105lbs closed pressure. Springs will accomadate .540 lift.
Flow figures:227 cfm @ .500 Intake 179cfm @ .500on the exhaust. Full flow figures available at the bottom of the sale.
This pair of heads are a direct replacement for anyOEM smallblock head. AllOEM bracketry and accessories will fit.If you have any questions feel free to e-mail. Thanks for looking and happy offerding. these heads are comparable to Edelbrock,dart,pro comp,merlin,rpm,trick flow heads.
correct 12 pointcylinder headstuds
correct 3/8 flat guide plates
correct 1.5 x 3/8 stainless steel full roller rockers
correct 3/8x7/16 screw in rocker studs
Intake Flow
Exhaust Flow
Intake Flow
Exhaust Flow
