AFR® - Renegade 20° Street Cylinder Heads

00 reviews|Item # 245140671
$1,803.70
In Stock - Ships within 24 hrs
1958 Ford Courier
Fits Following Model(s):
  • 4.4L / 4.8L With Small Block Ford Engine
    This is a CARB compliant part, legal for use on vehicles built to meet CARB standards and/or registered in California and other states which follow CARB standards.
Notes:
  • Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads.
  • California Proposition 65 Warning.
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    Product Details

    Ford Courier 4.4L / 4.8L With Small Block Ford Engine 1958, Renegade 20° Street Cylinder Heads by AFR®. RENEGADE line of cylinder heads for the small block Ford, feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition versions. While our 195cc, 205cc and 220cc heads are designed for aggressive, non-emissions compliant street or race applications. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier. CA Prop 65 WARNING - This product contains chemicals known to the State of California to cause cancer, and/or birth defects or other reproductive harm.

    Notes:

    • Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads.
    • California Proposition 65 Warning.

    Fitment notes: This is a CARB compliant part, legal for use on vehicles built to meet CARB standards and/or registered in California and other states which follow CARB standards.

    Specifications:

    Accessory Bolt Holes Drilled: Yes
    CNC-Machined Combustion Chamber: Yes
    CNC-Machined Exhaust Runner: Yes
    CNC-Machined Intake Runner: Yes
    Combustion Chamber Style: Heart
    Cylinder Head Finish: Natural
    Cylinder Head Material: Aluminum
    Cylinder Head Style: Assembled
    Deck Thickness: .750"
    Exhaust Port Dimension: 1.355" H x 1.360" W
    Exhaust Port Location: Stock
    Exhaust Port Shape: Square
    Exhaust Runner Volume: 68cc
    Exhaust Valve Diameter: 1.6"
    Intake Port Location: Stock
    Intake Port Shape: Rectangular
    Lock Style: 7 degree
    Machined for O-Ring: No
    Material: A356 Aluminum
    Max Valve Spring Pocket Machining: 1.625" OD
    Maximum Valve Lift: 0.6"
    Minimum Bore Diameter: 4"
    Number of Springs Per Valve: Dual
    Oiling Style: Through pushrod
    Outside Diameter of Outer Spring: 1.290"
    Quantity: 1 Pair.
    Retainer Material: Chromoly steel
    Spark Plug Dimensions: 14 mm x .750" with Gasket Seat
    Spark Plug Style: Angle
    Steam Holes Drilled: No
    Valve Angle: 20°
    Valve Cover Bolt Pattern: Perimeter Bolt
    Valve Cover Mounting Style: Perimeter bolt
    Valve Guide Material: Bronze
    Valve Seat Machine Style: 3-angle
    Valve Seat Material: Ductile iron
    Valve Seats Machined: Yes
    Valve Spring Pocket Diameter: 1.460"

    Features:

    • 100% CNC Ported Combustion Chambers
    • 100% CNC Ported Exhaust Ports
    • 100% CNC Ported Intake Ports
    • Competition 5-angle Valve Job
    • Designed to meet the needs of racers or street enthusiasts
    • Made using the latest in modern technology and advanced processes
    • Strict quality control and thorough testing
    • Manufactured in the USA

    Includes:

    • PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, 0.600" maximum lift, Max RPM 6300-6500 (upgrades available)
    • 7° Manley Steel Retainers 1.245" O.D x 0.885" I.D x 0.655" I.D
    • 7° Bead Lock Valve Keepers
    • ARP 3/8" Rocker Studs
    • Adjustable 5/16" Guide Plates
    • Viton Valve Seals 0.600" O.D x 0.495" I.D
    • Hardened Valve Spring O.D Locator 1.380" O.D x 0.570" I.D
    • Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x 0.375" Deep
    • Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x 0.375" Deep
    • 8 mm Bronze Valve Guides 0.502" O.D x 2.100" O.A.L
    • Thermactor Air Injector Reducer Bushing (5/8"-11 x 7/16"-14): AFR #6226

    For over 45 years, Air Flow Research (AFR) has been defining technological leadership in cylinder head manufacturing and flow dynamics. This complete commitment to performance has enabled AFR® cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. Air Flow Research’s design, engineering, and manufacturing technology never rests. As a leader today, AFR is investing in the horsepower of tomorrow with new manufacturing technology, complex dyno testing, and proprietary flow testing methods. And to assure a long-standing tradition to performance, AFR is bringing up a new generation of racers and engineers to meet the demands of tomorrow’s engine builders.

    Brand:

    Warranty

    Aluminum Cylinder Head & Manifold Warranty

    Effective on purchase made on or after January 1, 2010, AFR warranties AFR aluminum cylinder head castings for the lifetime of the product with proof of purchase to the original purchaser. Additionally, valves, guides, valve seats, valve springs, retainers, locks, studs, guide plates, and valve seals are warranted for two years to the original purchaser with proof of purchase. All returns must have a RMA number in order to be returned, call for a RMA number. Parts must be returned prepaid freight by the original purchaser. This warranty doesn’t cover fitness for purpose and/or merchantability on any product sold by AFR. Non-AFR castings are covered by the manufacturer of that casting.


    Composite Manifold Warranty:


    AFR warranties their composite intake manifold to be free of defects for a period of one year's time.


    This warranty does not cover the following:


    1. Failure due to improper installation or maintenance, abuse, misuse, unauthorized repairs, modifications, or alterations determined at the sole discretion of AFR. If your machine shop, engine builder or installer performs any unauthorized repairs, AFR warranty is voided and AFR will not reimburse any cost you incurred.
    2. Removal or replacement cost.
    3. Costs incurred due to down time of the vehicle.
    4. Damage to related components.
    5. Marine salt water corrosion.
    6. Corrosion from not using/refreshing antifreeze.
    7. Fitness for purpose or merchantability.
    Magnuson-Moss Warranty Act:
    Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

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