AFR Chevy 210cc Enforcer As-Cast LS1 Cylinder Head, 64cc Chambers, Assembled
AFR 1501
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 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 are required per engine. Please see the footnotes for additional information.
Sold as a single piece, 2 pieces required per engine.
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 are required per engine. Please see the footnotes for additional information.
Sold as a single piece, 2 pieces required per engine.
Limited Supply: only 6 remaining
Shipping: FREE continental USA ground shipping on ALL AFR Cylinder Heads
Was:
$992.70
Sale:
$692.70
Save:
30%
Save:
$300.00
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.
210cc LS1 Street Head Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 148 | 209 | 253 | 265 | 268 | 268 |
Exh | 105 | 150 | 180 | 199 | 204 | 207 |
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 # |
As-Cast Combustion Chambers As-Cast Exhaust Ports As-Cast Intake Ports 3-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.020” x 4.900" Overall Valve Length | AFR #7207 |
8mm Bead Lock Exhaust Valve, 1.600” x 4.900" Overall Valve Length | AFR #7228 |
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 |
AFR #8017 |
7° Chrome Moly Retainers 1.245” O.D x .885” I.D x .655” I.D | AFR #8514 |
7° Bead Lock Valve Keepers | AFR #9007 |
Viton Valve Seals .620" O.D x .490" I.D | AFR #6615 |
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | AFR #8042 |
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 Cover Bolt Pattern
|
Center Bolt |
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 |
3.900" |
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
- AFR 1501
- AFR 1501
- Air Flow Research
- Available
- New
Categories
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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