AFR 23° SBC Cylinder Head 195cc Competition Package Heads w/Heat Riser, L98 Plug, 75cc Chambers

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″

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.*