AFR 15° LS Cathedral Port Cylinder Head 230cc Fully CNC Ported, 72cc Chambers, Big Bore
AIRFLOW RESEARCH
SKU #AFR-1630
$3,332.70
AFR 15° LS Cathedral Port Cylinder Head 230cc Fully CNC Ported, 72cc Chambers, Big Bore
SKU
AFR-1630
Qty
AFR 15° LS Cathedral Port Cylinder Head 230cc Fully CNC Ported, 72cc Chambers, Big Bore
The AFR 230cc LS1 MONGOOSE cylinder heads are designed for aggressive street or street/strip applications, supporting displacements up to 427 cubic inches while operating at or below 7200 RPM. With fully CNC-ported intake, exhaust, and combustion chambers, these heads offer maximum efficiency and flow, capable of delivering 328 CFM at 0.650" lift with a 4.000" bore size.
Included Components
- 100% CNC Ported Combustion Chambers
- 100% CNC Ported Exhaust Ports
- 100% CNC Ported Intake Ports
- Competition 5-angle Valve Job
- 8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length – AFR #7208
- 8mm Bead Lock Exhaust Valve, 1.600" x 4.900" Overall Valve Length – AFR #7228
- PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650” maximum lift, Max RPM 7000-7200 – AFR #8019
- 7° Titanium Retainers 1.245" O.D x .885" I.D x .655" I.D – AFR #8512
- 7° Bead Lock Valve Keepers – AFR #9007*
- Viton Valve Seals .600" O.D x .495" I.D – AFR #6612
- Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D – AFR #8042
- Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep – AFR #9059
- Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep – AFR #9069
- 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L – AFR #9051
- *LSX bead locks and aftermarket bead locks are not interchangeable. AFR locks are the same as GM LSX.
Performance Flow Chart
230cc Small Bore Competition Flow Data (CFM) – Test conducted at 28" of water on Superflow 600, 3.900" bore size:
| Lift (in) | .200 | .300 | .400 | .500 | .550 | .600 |
|---|---|---|---|---|---|---|
| Intake | 157 | 224 | 272 | 311 | 320 | 324 |
| Exhaust | 129 | 183 | 225 | 244 | 248 | 252 |
Specifications & Features
- Material: A356 Aluminum
- Intake Port Volume: 230cc
- Exhaust Port Volume: 86cc
- Combustion Chamber Size: 62cc, 65cc, or 72cc
- Valve Angle: 15°
- Deck Thickness: .750"
- Minimum Bore Diameter: 3.900"
- Spark Plug Dimensions: 14mm x .750" w/Tapered Seat
- CARB Status: This product is not legal for sale or use on emission-controlled vehicles and is intended for dedicated race vehicles only.
AFR 15° LS Cathedral Port Cylinder Head 230cc Fully CNC Ported, 72cc Chambers, Big Bore
The AFR 230cc LS1 MONGOOSE cylinder heads are designed for aggressive street or street/strip applications, supporting displacements up to 427 cubic inches while operating at or below 7200 RPM. With fully CNC-ported intake, exhaust, and combustion chambers, these heads offer maximum efficiency and flow, capable of delivering 328 CFM at 0.650" lift with a 4.000" bore size.
Included Components
- 100% CNC Ported Combustion Chambers
- 100% CNC Ported Exhaust Ports
- 100% CNC Ported Intake Ports
- Competition 5-angle Valve Job
- 8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length – AFR #7208
- 8mm Bead Lock Exhaust Valve, 1.600" x 4.900" Overall Valve Length – AFR #7228
- PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650” maximum lift, Max RPM 7000-7200 – AFR #8019
- 7° Titanium Retainers 1.245" O.D x .885" I.D x .655" I.D – AFR #8512
- 7° Bead Lock Valve Keepers – AFR #9007*
- Viton Valve Seals .600" O.D x .495" I.D – AFR #6612
- Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D – AFR #8042
- Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep – AFR #9059
- Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep – AFR #9069
- 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L – AFR #9051
- *LSX bead locks and aftermarket bead locks are not interchangeable. AFR locks are the same as GM LSX.
Performance Flow Chart
230cc Small Bore Competition Flow Data (CFM) – Test conducted at 28" of water on Superflow 600, 3.900" bore size:
| Lift (in) | .200 | .300 | .400 | .500 | .550 | .600 |
|---|---|---|---|---|---|---|
| Intake | 157 | 224 | 272 | 311 | 320 | 324 |
| Exhaust | 129 | 183 | 225 | 244 | 248 | 252 |
Specifications & Features
- Material: A356 Aluminum
- Intake Port Volume: 230cc
- Exhaust Port Volume: 86cc
- Combustion Chamber Size: 62cc, 65cc, or 72cc
- Valve Angle: 15°
- Deck Thickness: .750"
- Minimum Bore Diameter: 3.900"
- Spark Plug Dimensions: 14mm x .750" w/Tapered Seat
- CARB Status: This product is not legal for sale or use on emission-controlled vehicles and is intended for dedicated race vehicles only.
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