AFR® - Eliminator 23° Race Cylinder Heads

0 reviews|Item # 245100817
$1,935.71 - $2,920.50
Varies - Depends on Product Options
1981 GMC Caballero
Fits Following Model(s):
  • 4.4L / 5.0L With Small Block Chevy 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 (CARB EO: D-250-2).
Product Options
Add To Cart
Add to Wishlist
Authorized Dealer

Have a Question? Ask a Specialist

888.634.9437Live Chat
Low Prices. Price match guarantee
Guaranteed Fitment. Always the correct part
In-House Experts. We know our products
Easy Returns. Quick & Hassle Free
Select Product Options
Please Select
    Total: $0.00
    Add To CartCancel

    Product Details

    GMC Caballero 4.4L / 5.0L With Small Block Chevy Engine 1981, Eliminator 23° Race Cylinder Heads by AFR®. ELIMINATOR line of SBC heads feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition version. Spread Port or Gen II LT1/LT4 versions are also available.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.

    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 (CARB EO: D-250-2).


    • 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


    • Viton Valve Seals 0.600" O.D x 0.495" I.D
    • Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x 0.305" Deep

    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.

    California Residents

    WARNING Cancer and Reproductive Harm. CARB To confirm your vehicle's CARB certification, please enter EO number at


    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

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.