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AFR Chevy 335cc Enforcer As-Cast BBC Cylinder Head, 122cc Chambers, DIY No Parts

AFR 3002
AFR is proud to announce the release of its NEW Enforcer series of As-Cast cylinder heads. Comprised of four new budget-friendly cylinder heads, these price conscience offerings do not come fully assembled. This DIY package contains no intake/exhaust valves, springs, retainers, rocker studs, and guide plates. You can contact us for specific parts from AFR to complete your cylinder head.

For the pre-assembled/complete 335cc BBC Enforcer Head, check out the part number: AFR 3001.

Sold as a single piece, 2 pieces required per engine.
Shipping: FREE continental USA ground shipping on ALL AFR Cylinder Heads
Was: $890.33
Sale: $590.33
Save: 34%
Save: $300.00

Qty:
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Description

AFR's 335cc BBC Enforcer Cylinder head features its Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allow for extremely accurate and repeatable port location/performance. This budget-friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM.

Sold as a single piece, 2 pieces required per engine.

335cc BBC Enforcer Flow Chart
  .200 .300 .400 .500 .600 .700
Int 140 207 265 296 336 355
Exh 119 172 211 239 249 255

Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe

Basic Package Components Part #
3-angle Valve Job
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports		  

Specifications, Features, and Optional Supporting Components
Head Material

A356 Aluminum
Intake Port Volume 325cc
Intake Port Dimension

2.510"H x 1.820"W x 3/8" Radius
Intake Port Location

Stock
Exhaust Port Volume 140cc
Exhaust Port Dimension

1.690"H x 1.900" W
Exhaust Port Location Raised.375"
Combustion Chamber Size

122cc
Valve Cover Bolt Pattern
 Perimeter Bolt
Valve Angle

24°/4° Int, 15°/4° Exh
Valve Spring Pocket Diameter

1.750"
Max Valve Spring Pocket Machining

1.750"
Warning::Do not machine spring pad any deeper.

 
Deck Thickness

0.45"
Minimum Bore Diameter 4.25"
Intake Port Gasket

AFR #6856
Exhaust Port Gasket

AFR #6858
Head Gasket, Fel-Pro #1047 (Gen V and VI)

AFR #6849
Head Gasket, Fel-Pro #1017-1 (Gen IV)

AFR #6850
Head Bolts, ARP 135-3703 (Gen IV)

AFR #6306
Head Bolts, ARP 135-3707 (Gen V)

AFR #6306
Head Studs, ARP 235-4713

AFR #6307
Head Bolt Washers, Manley

AFR #6320
Flat Mill .006" per cc/ Maximum 105cc As Cast
Angle Mill

.009" per cc/Maximum 100cc As Cast
Suggested Manifold

Victor Jr or Super Victor
Spark Plug Starting Range Autolite 3924
Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. .
Note: Angle mills might require a .120" Thick intake gasket.

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Shipping Information

  • Item Requires Shipping
  • 65.0 lbs.
  • W12.0000” x H12.0000” x L24.0000”
  • Free Basic Shipping
  • This item ships in its own box.
  • FREE continental USA ground shipping on ALL AFR Cylinder Heads
  • Have a question? Ask the Pros
  • 877-514-9494Mon - Fri 8:00 AM - 4:00 PM PST