AFR 15° LS1 210cc Enforcer As Cast 64cc Chambers

AFR 15° LS1 210cc Enforcer As Cast 64cc Chambers

The AFR 210cc LS1 Enforcer Cylinder Head is designed with AFR’s Permanent Mold “As-Cast” Technology, ensuring precise and repeatable port location and performance. This budget-friendly cylinder head is an excellent choice for OEM LS engines operating below 6300 RPM. Despite its affordability, it comes fully assembled with high-quality components found in AFR’s premium CNC-ported heads, including PAC Racing springs, Viton valve seals, machined bead valve locks, hardened spring seats, and one-piece 8mm 21-4N stainless steel valves. For DIY enthusiasts, a bare version is also available.

Sold individually—two required per engine.

Included Components

• As-Cast Combustion Chambers
• As-Cast Exhaust Ports
• As-Cast Intake Ports
• 3-Angle Valve Job
• 8mm Bead Lock Intake Valve, 2.020” x 4.900″ Overall Valve Length – AFR #7207
• 8mm Bead Lock Exhaust Valve, 1.600” x 4.900″ Overall Valve Length – AFR #7228
• PAC Racing Spring 1.290″ OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600″ max lift, Max RPM 6300-6500 – AFR #8017
• 7° Chrome Moly Retainers 1.245” OD x .885” ID x .655” ID – AFR #8514
• 7° Bead Lock Valve Keepers – AFR #9007
• Viton Valve Seals .620″ OD x .490″ ID – AFR #6615
• Hardened Valve Spring OD Locator 1.380″ OD x .570″ ID – AFR #8042

210cc Street Head Flow Chart

Specifications & Features

• Material: A356 Aluminum
• Intake Port Volume: 210cc
• Intake Port Dimension: 3.190″H x 1.015″W x 5/16″ top 3/8″ bottom
• Intake Port Location: Stock
• Exhaust Port Volume: 82cc
• Exhaust Port Dimension: 1.400″ H x 1.660″ W
• Exhaust Port Location: Stock
• Combustion Chamber Size: 64cc
• Valve Angle: 15°
• Valve Spring Pocket Diameter: 1.500″ OD
• Deck Thickness: 0.425″
• Minimum Bore Diameter: 3.900″
• Flat Mill: .006″ per cc (58cc Maximum)
• Spark Plug Dimensions: 14mm x .750″ w/Tapered seat

Important Notice

CARB Status: These products are illegal for use on any public highway, including paved or unpaved roadways or public parks. They are only legal for dedicated racing vehicles. Violation can result in penalties up to $37,500 per vehicle, DMV registration revocation, and loss of public roadway use.