CYLINDER HEADS ALUMINUM CHEVY BB 320cc

*****100%NEW***** *****100%NEW*****

3021 BIG BLOCK CHEVY, BARE, Aluminum Cylinder Heads

Aircraft Grade 356A T-6 Aluminum Alloy

115cc Combustion Chamber, 320cc Intake Runners

Fits All OEM Bolt Pattern Manifolds, Intake Bolt Standard OEM Length

8 Bolt Exhaust Flange, Square Port Exhaust

Manganese Bronze Valve Guides, 3 Angle Cut Stellite Valve Seats

15/24 Degree Valve Angle, Takes Plug # AGF-22

Manufactured for Intake Valve #4324 2.250" +.250" , Exhaust Valve #4317 1..880" +.100" (11/32" Stem)

Takes Felpro 1275 bigger gasket set & Felpro 1047 Head Gasket!

65 ft.lb Torque Specs, Suggested Roller Cam Base of 1.130"

Valve Springs Rated at .750" Max Lift, Dual Springs OD 1.542"

Spring Pressure; Intake, 1.805" @ 165lbs, Exhaust 1.770"@ 180lbs

Coil Bind @ 750lbs....Intake Head Bolt Standard OEM Length

Installed spring height should be checked with your camshaft specs of your application.

Guide Plate Kits Available @$49.95

Long 7/16" Rocker Stud Kit @$49.95

Head Stud Kits Available @$79.95

Flow Test Data @ 28" CFM (according to manufacturer) LIFT 100 200 300 400 500 600 700
INTAKE 74.83 166.11 245.36 308.05 339.84 360.43 374.31
EXHAUST 62.0 118.0 160.0 195.0 229.0 248.0 265.0

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Item Location: FORT LAUDERDALE, FL Get Directions

Instructions for buyer:  Buyer will pay all shipping/handling charges to their final delivery destination.

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