1341 Fully Assembled 185 cc Enforcer Cylinder Head, Small Block Ford [Small Valve]
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AFR - AIRFLOW RESEARCHPART NUMBER: 033-1341

1341 Fully Assembled 185 cc Enforcer Cylinder Head, Small Block Ford [Small Valve]

$70000
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Ford Small Block
Fully Assembled 185 cc Enforcer Small Valve Cylinder Head
  • Small Block Ford
  • 1.900 in. Intake/1.600 in. Exhaust Valves
  • Compatible w/OEM Piston Valve Relief
  • 64 cc Combustion Chamber
  • .600 in. Max Cam Lift
  • Aluminum
  • Sold Individually

    Flow Chart

    AFR 1341 Fully Assembled 185 cc Enforcer Small Block Ford Cylinder Head Includes:

    • 8mm Bead Lock Intake Valve, 1.900 in. x 5.000 in. Overall Valve Length
    • 8mm Bead Lock Exhaust Valve, 1.600 in. x 5.030 in. Overall Valve Length
    • PAC Racing Spring 1.290 in. OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600 in. maximum lift, Max RPM 6300-6500
    • 7° Steel Retainers 1.245 in. O.D x .885 in. I.D x .655 in. I.D
    • 7° Bead Lock Valve Keepers
    • ARP 3/8 in. Rocker Studs
    • Adjustable 5/16 in. Guide Plates
    • Viton Valve Seals .675 in. O.D x .513 in. I.D
    • Hardened Valve Spring O.D Locator 1.380 in. O.D x .570 in. I.D

    AFR 1341 Fully Assembled 185 cc Enforcer Small Block Ford Cylinder Head Features:

    • For 302 to 463ci engines operating below 6000 rpm
    • Intake Port Volume: 185cc
    • Intake Port Dimension: 2.010 in. H x 1.070 in. x 5/16 in. Radius
    • Intake Port Location: Stock
    • Exhaust Port Volume: 64 cc
    • Exhaust Port Dimension: 1.370 in. H x 1.350 in. W
    • Exhaust Port Location: Stock
    • Valve Spring Pocket Diameter: 1.540 in. O.D
    • Max Valve Spring Pocket Machining: 1.600 in. O.D
    • Deck Thickness: .325 in.
    • Minimum Bore Diameter: 4.000 in.
    • Reduce Combustion Chamber Size 1 cc by Flat-Milling .006 in. from Deck Surface, Maximum Mill .030 in. to achieve 53 cc
    • Spark Plug Dimensions: 14 mm x .750 in. with Gasket Seat Such as Autolite AR3924 (sold separately)

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • AFR Enforcer Cylinder Heads

      AFR Enforcer Cylinder Heads are engineered to deliver improved airflow, increased horsepower potential, and dependable street performance for enthusiasts building high-performance small block and big block engine combinations. Designed by AFR Airflow Research, these cylinder heads provide an excellent balance of airflow efficiency, combustion performance, and affordability, making them a popular choice for street performance builds, restoration projects, muscle cars, and weekend racers. Whether you're upgrading a small block Chevy Camaro, building a Ford street machine, or refreshing a classic Mopar muscle car, AFR Enforcer Cylinder Heads offer the performance-focused engineering serious enthusiasts expect from AFR.

      Show More

      Cylinder heads play a critical role in determining engine airflow efficiency, combustion quality, and overall horsepower capability. AFR Enforcer Cylinder Heads are designed using advanced port and chamber technology to improve intake and exhaust flow characteristics compared to restrictive factory castings. Performance enthusiasts appreciate the ability to gain stronger throttle response, improved torque output, and enhanced top-end power while maintaining excellent street drivability and long-term reliability.

      Performance Benefits & Key Features

      AFR Enforcer Cylinder Heads are engineered to optimize airflow velocity and combustion efficiency for naturally aspirated street and mild racing applications. Their precision-designed intake runners and combustion chambers help improve cylinder filling and fuel atomization, contributing to increased horsepower and torque across a broad RPM range.

      Constructed from lightweight aluminum, these cylinder heads help reduce overall engine weight while improving heat dissipation and thermal stability compared to traditional cast iron designs. Enthusiasts benefit from improved cooling efficiency, reduced detonation risk, and enhanced engine responsiveness during aggressive driving conditions.

      These cylinder heads are commonly paired with aftermarket camshafts, intake manifolds, carburetors, EFI systems, and performance exhaust setups to maximize engine output and overall drivability. AFR Enforcer Cylinder Heads are especially popular for street performance builds, Pro Touring projects, drag racing applications, hot rods, and restoration vehicles where dependable power gains and consistent engine performance are priorities.

      Performance enthusiasts also value AFR’s reputation for CNC-inspired airflow development and precision manufacturing quality. The Enforcer series provides an accessible performance upgrade while still delivering the airflow improvements and engineering precision associated with AFR cylinder head technology.

      Fitment, Compatibility & Applications

      AFR Enforcer Cylinder Heads are compatible with a wide variety of GM, Ford, and Mopar V8 engine applications used in muscle cars, classic trucks, street rods, and custom performance vehicles. Popular applications include Camaros, Mustangs, Chevelles, Chargers, Novas, hot rods, and street/strip builds requiring improved airflow and modern cylinder head technology.

      Ideal for street performance enthusiasts, restoration builders, and weekend racers seeking dependable horsepower gains and improved engine efficiency, these cylinder heads deliver the quality and airflow performance expected from AFR Airflow Research. Explore the available AFR Enforcer Cylinder Head options to upgrade your engine with proven airflow technology and enhanced street performance.

    Part TypeCylinder Head
    Product LineAFR Enforcer Cylinder Heads
    BrandAFR - AIRFLOW RESEARCH
    Package Height7.1
    Package Width9.6
    Package Length21.7
    Weight28.48 PG
    Valve Springs IncludedYes
    Cylinder Head MaterialAluminum
    Cnc-Machined Intake RunnerNo
    Intake Valves IncludedYes
    QuantitySold individually
    AssembledYes
    Intake Valve Diameter1.9 in (48.26 mm)
    Exhaust Valves IncludedYes
    Valves IncludedYes
    Combustion Chamber Volume64
    Rocker Arms IncludedNo
    Cylinder Head StyleAssembled
    Cnc-Machined Exhaust RunnerNo
    Cnc-Machined Combustion ChamberNo
    Exhaust Valve Diameter1.6 in (40.64 mm)
    Vendor Part Number1341
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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