Chevy Top End Kit 350 383 400 Aluminum Cylinder Heads straight plug 327 283

Description

Hello, this auction is for a Top End Kit which includes: completely assembled aluminum small block chevy cylinder heads, Cylinder Head Studs with Washers and Nuts, Guide Plates, Rocker Studs, and Stainless Steel Roller Rockers.  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:
Intake/Exhaust port 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 @ .500 on the exhaust
.  Full flow figures available at the bottom of the auction.
This pair of heads are a direct replacement for any OEM small block head.  All OEM bracketry and accessories will fit.  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,merlin,rpm,trick flow heads.
correct 12 point
cylinder head
studs
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
.100
.200
.300
.400
.500
.600
.700
58.0
113.5
159.2
199.7
227.6
244.2
248.3
.100
.200
.300
.400
.500
.600
.700
52.0
97.8
132.94
161.90
180.00
189.2
192.1
Intake Flow
Exhaust Flow
.100
.200
.300
.400
.500
.600
.700
58.0
113.5
159.2
199.7
227.6
244.2
248.3
.100
.200
.300
.400
.500
.600
.700
52.0
97.8
132.94
161.90
180.00
189.2
192.1