AFR LS1 cylinder heads 210cc mongoose street assembled heads with 66cc chamber and 2.020 intake/ 1.600 exhaust valves. Recommended for street, towing, or street/strip engines with displacements up to 383 cubic inches, operating up to 6300 RPM. Requires minimum 3.900” bore size for intake valve clearance.
- GM LS1 Cylinder Head
- LSX Mongoose Street
- Assembled
- 2.020 / 1.600 in Valves
- 210 cc Intake
- 66 cc Chamber
- 1.290 in Springs
- Aluminum
- GM LS-Series
- Pair
| 205cc Competition Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 147 | 214 | 249 | 284 | 296 | 301 |
| Exh | 111 | 150 | 209 | 225 | 230 | 233 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 3.900", intake 3/4" radius plate exhaust, 1 3/4" curved pipe