Air Flow Research
AFR 220cc Renegade Cylinder Heads with 58cc Chamber w/Hi-Rev Springs, Pair
- SKU:
- AFR-1451-8049
- MPN:
- 1451
- Availability:
- Ships from Manufacturer
- Shipping:
- Calculated at Checkout
Frequently bought together:
Description
Our largest and highest flowing head for the small block ford is the best in-line head money can buy. Featuring 220cc intake runners, this package is recommended for race applications and radical "Pro-Street" builds. Installed with PAC Racing Hi-Rev valve springs for AFM Camshafts.
| 220cc Street Head Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 135 | 194 | 258 | 295 | 315 | 325 | 331 |
| Exh | 121 | 171 | 215 | 238 | 245 | 249 |
250 |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
| Competition 5-angle Valve Job |
ARP 7/16" Rocker Studs
8mm Bead Lock Intake Valve 2.100" x 5.000" O.A.L.
8mm Bead Lock Exhaust Valve 1.570" x 5.030" O.A.L.
Comes with upgraded valve springs for Hi-Rev Hydraulic Roller camshafts
- Hydraulic Roller Spring 1.270 O.D.
- Premium Grade Chrome Silicon
- 155 lbs. on seat
- .650” max lift
- Max RPM 7000-7200
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