AFR 23° SBC Cylinder Head 220cc Competition Package Heads, Standard Exhaust, 75cc Chambers

AFR 23° SBC Cylinder Head 220cc Competition Package Heads, Standard Exhaust, 75cc Chambers

The AFR 220cc SBC Race Cylinder Head is the ultimate choice for serious racers and radical Pro Street builds. Featuring 100% CNC ported intake, exhaust, and combustion chambers, these heads deliver maximum airflow and performance. Constructed from A356 aluminum castings with high-quality components, this is AFR’s largest, best-flowing head designed for conventional rocker arm setups.

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, 2.100" x 5.000" Overall Valve Length (AFR #7256)
• 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length (AFR #7254)
• PAC Racing 1.550" OD Solid Roller Dual Valve Springs, 220 lbs on seat, .710" max lift (AFR #8000)
• 10° Steel Retainers (AFR #8511)
• 10° Bead Lock Valve Keepers with Lashcap Recess (AFR #9009)
• ARP 7/16" Rocker Studs (AFR #6405)
• Adjustable 5/16" Guide Plates (AFR #6103)
• Viton Valve Seals (AFR #6612)
• Hardened Valve Spring I.D. Locator (AFR #8048)
• Ductile Iron Intake & Exhaust Valve Seats (AFR #9060, #9070)
• 8mm Bronze Valve Guides (AFR #9051)

Performance Flow Chart

The AFR 220cc Competition Cylinder Head delivers exceptional airflow, tested at 28" of water pressure on a Superflow 1020.

Specifications & Features

• Material: A356 Aluminum
• Intake Port Volume: 220cc
• Exhaust Port Volume: 80cc
• Combustion Chamber Size: 75cc
• Valve Angle: 23°
• Deck Thickness: .750"
• Minimum Bore Diameter: 4.000"
• Spark Plug Dimensions: 14mm x .750" w/Gasket Seat

CARB Compliance Notice

WARNING: These products are illegal to operate on any public highway. They are only legal for use on dedicated racing vehicles. Violations may result in fines up to $37,500 per violation, DMV registration revocation, and loss of public roadway usage.