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AFR's 210 LS1 Enforcer Cylinder Heads feature our Permanent MoldœAs-Cast Technology surfaces on the intake runners,exhaust runners and combustion chambers that allows 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 our higher end CNC ported cylinder heads;such as PAC Racing springs,viton valve seals,machined bead valve locks (not stamped),hardened spring seats and ductile iron seats (not powdered metal) our 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 footnotes for additional information.Please see footnotes for additional information.
| 210cc LS1 Enforcer Cylinder Heads | ||
|---|---|---|
| Part # | Description | Combustion Chamber |
| 1501 | As Cast - Fully Assembled | 64cc |
| 1502 | As Cast - No Parts | 64cc |
| 210cc 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
| Specifications&Features: | |
| 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 |
| Warning:Do not machine spring pad any deeper. | |
| Deck Thickness | 0.425" |
| Minimum Bore Diameter | 3.900" |
| Flat Mill | .006"per cc 58cc Maximum |
| Spark Plug Dimensions | 14mm x .750"w/Tapered seat |
| Categories | Engine Components |
|---|---|
| Weight | 13.4700 |
| Manufacturer Part Number | 1501 |
| Brand | Air Flow Research |
| Part Type | Cylinder Heads |
| Engine Type | LS Series |
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