AFR 23° SBC 195cc Enforcer E2 As Cast Straight Plug 64cc Chamber

AFR’s 23° SBC 195cc Enforcer E2 Cylinder Heads feature high-precision permanent mold “As-Cast” technology for superior intake and exhaust port accuracy. Designed for small block Chevy applications, these heads are an excellent choice for budget-conscious racers and street performance builds. With fully assembled components, including ARP rocker studs, racing springs, and one-piece stainless steel valves, these heads deliver high performance and durability at an affordable price.

SOLD INDIVIDUALLY - TWO REQUIRED PER ENGINE

Key Features

As Cast Technology: Permanent mold process ensures precise port location and consistent airflow.
Performance Ready: Fully assembled with high-quality valvetrain components.
Engine Compatibility: Ideal for 350-400 cubic inch SBC engines operating below 6000 RPM.
Straight Plug Design: Optimized for ease of installation and compatibility.
Durable Construction: Made from A356 aluminum for superior strength and heat dissipation.

Included Components

As Cast Combustion Chambers, Exhaust Ports, and Intake Ports
Multi-Angle Valve Job for improved airflow
Race Intake Valve: 8mm Stainless Steel 2.050 x 4.900 O.A.L. (AFR #7252)
Race Exhaust Valve: 8mm Stainless Steel 1.600 X 4.950 O.A.L. (AFR #7250)
Melling Racing Valve Springs: 1.290" OD, 140 lbs on seat, .600" max lift (AFR #8017)
7° Chrome Moly Retainers, Bead Lock Valve Keepers, ARP 3/8" Rocker Studs
Adjustable 5/16" Guide Plates, Viton Valve Seals, and Hardened Spring Locators

Performance Flow Chart (CFM at 28” Water Pressure)

Lift (inches)	.200	.300	.400	.500	.550
Intake	138	194	233	260	265
Exhaust	108	142	170	195	200

Technical Specifications

Material: A356 Aluminum
Intake Port Volume: 198-200cc
Exhaust Port Volume: 74cc
Combustion Chamber Size: 64cc
Valve Angle: 23°
Valve Cover Bolt Pattern: Perimeter Bolt
Deck Thickness: .470”
Minimum Bore Diameter: 4.000”
Spark Plug Dimensions: 14mm x .750” w/Gasket Seat

Legal Disclaimer

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