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AFR Chevy 210cc Enforcer As-Cast LS1 Cylinder Head, 64cc Chambers, Bare, No Parts

AFR 1507
AFR's 210 LS1 Enforcer Cylinder Head features their 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 3.780" Bore OEM engine operating below 6300 RPM.

They come fully assembled with the identical components found in their higher-end CNC ported cylinder head; such as PAC Racing springs, Viton valve seals, machined bead valve locks (not stamped), hardened spring seats and ductile iron seats (not powdered metal) their one-piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY.

Sold as a single piece, 2 pieces required per engine. These heads are bare part number for fully assembled #AFR 1506
Shipping: FREE continental USA ground shipping on ALL AFR Cylinder Heads
Was: $799.33
Sale: $499.33
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Description

The all-new LS1 210cc Enforcer Cylinder Head feature 2.020" intake valves, 1.600" exhaust valves and come assembled with their 8017 springs for hydraulic roller camshafts. Designed to work with the factory GM stand and rockers they will support up to a 0.600" lift camshaft and up to 6,500 RPM.

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

Specifications, Features, and Optional Supporting Components
Head Material

A356 Aluminum

Intake Port Volume

210cc

Intake Port Dimension

3.190"H x 1.015"W x5/16 top 3/8" bottom

Intake Port Location

Stock

Exhaust Port Volume

82cc

Exhaust Port Dimension

1.400" H x 1.660" W

Exhaust Port Location

Stock

Combustion Chamber Size

64cc

Valve Angle 15°
Valve Spring Pocket Diameter

1.500" O.D

Max Valve Spring Pocket Machining

1.500" O.D

Deck Thickness

0.425"

Minimum Bore Diameter

3.780"

Spark Plug Dimensions

14mm x .750" w/Tapered seat

Head Gasket

Factory GM LS2

Intake Port Gasket

GM or FAST

Exhaust Port Gasket

GM#12558573

Head Bolts (97-03)

AFR #6330

Head Studs (97-03)

AFR #6331

Head Bolts (04+)

AFR #6334

Head Studs (04+)

AFR #6335

Head Bolt Washers, Manley

AFR #6320

Suggested Manifold

FAST 90mm, 92mm, or 102mm

Flat Mill .006" per cc 58cc Maximum
Spark Plug Starting Range NGK TR55 
Important: Do not port match you intake manifold to any Fel-Pro gasket as it does not precisely match an AFR head.
Warning:Do not machine spring pad any deeper.
Note: Milling head deck will affect flow numbers.

Details

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

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