These heads will fit all 262-400 cid 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 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. The item "Chevy Top End Kit 350 383 400 Aluminum Cylinder Heads straight plug 327 283" is in sale since Thursday, July 6, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "apmachine44" and is located in Fresno, California.This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Viet nam.