*****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

BBRocker Arm Sets Available $115.00

Overall gasket set available for these heads!


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

Seller Phone Number: 850-575-9900

This item is NEW

Trades NOT ACCEPTED

Payment options:

No Personal Checks.

Item Location: TALLAHASSEE, FL Get Directions To This City

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

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