AFR 23° SBC Cylinder Head 195cc Competition Package Heads w/Heat Riser, L98 Plug, 75cc Chambers
AIRFLOW RESEARCH
AFR 23° SBC Cylinder Head 195cc Competition Package Heads w/Heat Riser, L98 Plug, 75cc Chambers
The AFR 195cc "Competition" Small Block Chevy Race Cylinder Heads are engineered for high-performance street and street/strip applications. These heads feature 100% CNC ported intake, exhaust, and combustion chambers, utilizing high-quality A356 aluminum castings for durability and optimal performance. Designed for engines up to 400 cubic inches, these heads support peak power up to 6500-6800 RPM.
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 #7259
- 8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length – AFR #7250
- PAC Racing Spring 1.270" OD Hydraulic Dual Valve Spring, 155 lbs. on seat, .650" max lift, 7000-7200 RPM – AFR #8019
- 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
- ARP 7/16" Rocker Studs – AFR #6405
- Adjustable 5/16" Guide Plates – AFR #6103
- 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 2.200" O.D x 1.750" I.D x .375" Deep – AFR #9060
- Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep – AFR #9070
- 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L – AFR #9051
Performance Flow Chart
Tested at 28" of water pressure on a Superflow 1020, Bore Size: 4.060"
| Lift (in.) | .200 | .300 | .400 | .500 | .550 | .600 |
|---|---|---|---|---|---|---|
| Intake Flow (CFM) | 151 | 211 | 260 | 293 | 304 | 308 |
| Exhaust Flow (CFM) | 125 | 172 | 207 | 224 | 229 | 233 |
Specifications & Features
- Material: A356 Aluminum
- Intake Port Volume: 195cc
- Combustion Chamber Size: 65cc or 75cc
- Exhaust Port Volume: 64cc
- Valve Angle: 23°
- Deck Thickness: .750"
- Minimum Bore Diameter: 4.000"
- Spark Plug Dimensions: 14mm x .750" w/Gasket Seat
Performance & Compatibility
Designed for aggressive street and street/strip applications, these cylinder heads maximize airflow for enhanced performance up to 6800 RPM. The fully CNC-ported intake and exhaust ports provide superior power gains, making them an excellent choice for high-performance builds.
*Note: This product is not legal for sale or use on emission-controlled vehicles and is intended for dedicated race vehicles.*
AFR 23° SBC Cylinder Head 195cc Competition Package Heads w/Heat Riser, L98 Plug, 75cc Chambers
The AFR 195cc "Competition" Small Block Chevy Race Cylinder Heads are engineered for high-performance street and street/strip applications. These heads feature 100% CNC ported intake, exhaust, and combustion chambers, utilizing high-quality A356 aluminum castings for durability and optimal performance. Designed for engines up to 400 cubic inches, these heads support peak power up to 6500-6800 RPM.
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 #7259
- 8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length – AFR #7250
- PAC Racing Spring 1.270" OD Hydraulic Dual Valve Spring, 155 lbs. on seat, .650" max lift, 7000-7200 RPM – AFR #8019
- 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
- ARP 7/16" Rocker Studs – AFR #6405
- Adjustable 5/16" Guide Plates – AFR #6103
- 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 2.200" O.D x 1.750" I.D x .375" Deep – AFR #9060
- Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep – AFR #9070
- 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L – AFR #9051
Performance Flow Chart
Tested at 28" of water pressure on a Superflow 1020, Bore Size: 4.060"
| Lift (in.) | .200 | .300 | .400 | .500 | .550 | .600 |
|---|---|---|---|---|---|---|
| Intake Flow (CFM) | 151 | 211 | 260 | 293 | 304 | 308 |
| Exhaust Flow (CFM) | 125 | 172 | 207 | 224 | 229 | 233 |
Specifications & Features
- Material: A356 Aluminum
- Intake Port Volume: 195cc
- Combustion Chamber Size: 65cc or 75cc
- Exhaust Port Volume: 64cc
- Valve Angle: 23°
- Deck Thickness: .750"
- Minimum Bore Diameter: 4.000"
- Spark Plug Dimensions: 14mm x .750" w/Gasket Seat
Performance & Compatibility
Designed for aggressive street and street/strip applications, these cylinder heads maximize airflow for enhanced performance up to 6800 RPM. The fully CNC-ported intake and exhaust ports provide superior power gains, making them an excellent choice for high-performance builds.
*Note: This product is not legal for sale or use on emission-controlled vehicles and is intended for dedicated race vehicles.*