Product Description
AFR 238cc LS3 Enforcer As-Cast Cylinder Heads 72cc – 6.2L LS3 – Assembled (Pair)
AFR's 238cc LS3 Enforcer As-Cast Cylinder Heads offer proven performance in a budget-friendly package. Designed using AFR’s Permanent Mold “As-Cast” Technology, these heads deliver consistent and precise intake runners, exhaust runners, and combustion chambers without the added cost of full CNC porting.
The 238cc LS3 Enforcer is the first Enforcer casting designed 100% in-house by AFR, optimized to outperform OEM LS3 castings by up to 20 CFM at low lift, thanks to its efficient port and valve design. It's a great choice for street-driven builds and performance enthusiasts looking for increased airflow and quality components, without breaking the bank.
Each set comes fully assembled with the same high-quality parts used in AFR's CNC-ported heads – PAC Racing valve springs, Viton valve seals, hardened spring seats, machined bead valve locks, and one-piece 8mm stainless steel valves.
Key Features:
- Sold as Pair
- 100% As-Cast Intake, Exhaust, and Combustion Chambers
- Competition 5-Angle Valve Job
- Rocker Stand Included (AFR #6040)
- Built with premium components found in AFR's top-tier heads
Valve & Valve Spring Specs:
- Intake Valve - 2.080" x 5.200", 8mm Bead Lock, 21-4N Stainless
- Exhaust Valve - 1.600" x 5.205", 8mm Bead Lock, 21-8N Stainless
- Valve Springs - PAC Racing Dual Spring, 1.290" OD, 140 lbs seat, .600" Lift
- Retainers 7 Degree Bead Lock Style
- Valve Keepers - 7 Degree Bead Lock Style
- Valve Seals - Vision, .600" OD X .495" ID
- Spring Seats - Hardened OD Locators, 1.380" OD x .570" ID
Ideal for performance and muscle car builds, these heads are a great choice for enthusiasts upgrading from factory LS3 castings or anyone looking for high-quality, performance at a competitive price.
