If you are thinking about building any type of high preformance small block Chevy these 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 OEM GM production heads.
These heads are machined 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. Valve size: 2.02x1.60.
Valve Springs: Single with dampner 105lbs closed pressure. This pair of heads are a direct replacement for any OEM small block head. All OEM bracketry and accessories will fit.
These heads are comparable to Edelbrock, dart, pro comp, merlin, rpm, trick flow heads. 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.
58.0 113.5 159.2 199.7 227.6 244.2 248.3. 52.0 97.8 132.94 161.90 180.00 189.2 192.1.