AFR Heads & Performance Parts
People trust Air Flow Research heads for performance and value. For over thirty years, Air Flow Research has been engineering cylinder heads that deliver unmatched flow and power output. AFR heads are flow-tested and subjected to a rigorous quality control process to ensure maximum performance in all applications. Airflow Research products find themselves on the fastest race cars and the most powerful street machines in the country. Airflow Research mission is to manufacture the highest quality, best performing cylinder heads and JEGS has the lowest prices on all of AFR cylinder heads with in-stock inventory ready to ship to your door.
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For over three decades, Air Flow Research has designed and manufactured cylinder heads, valves, rocker arms, intake manifolds and other performance parts that exceed OEM specs for durability and performance. Itâs made them a preferred source for parts for some of the fastest race cars and most high-performance street machines to be found anywhere.
This is your destination to find high performance cylinder heads for Chevrolet Vortec and LS engines, older small block and big block Chevrolets, along with Ford small block heads. Heads are ready to install and bolt up, with no porting, relief or valve job needed. To round out your engine build, AFR also offers Eliminator Series aluminum intake manifolds with extra coolant ports installed for custom cooling system setups, as well as phenolic carburetor spacers, replacement rocker studs and stud girdles, valve cover gasket sets, valves and valve springs, exhaust header gaskets, head bolts and studs, valve covers and even engine assembly lube. With enhanced flow, top quality construction and materials and exacting specs, AFR heads and performance parts are found on some of the fastest machines in the United States, and for a good reason â they deliver better performance and better quality than just about anything on the market for Chevrolet or Ford engines.
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![3901-1 SBC Enforcer Top End Kit 200cc Heads, Dual Plane Intake, Stage 1 Cam [Angled Plug]](https://www.jegs.com/images/mini_100/0/033/033-3901-1.jpg)
AFR - AIRFLOW RESEARCH
3901-1 SBC Enforcer Top End Kit 200cc Heads, Dual Plane Intake, Stage 1 Cam [Angled Plug]
Part Number: 033-3901-1

![3901-1 SBC Enforcer Top End Kit 200cc Heads, Dual Plane Intake, Stage 1 Cam [Angled Plug]](https://www.jegs.com/images/mini_200/0/033/033-3901-1.jpg)
AFR - AIRFLOW RESEARCH
3901-1 SBC Enforcer Top End Kit 200cc Heads, Dual Plane Intake, Stage 1 Cam [Angled Plug]
Part Number: 033-3901-1
![Cast Aluminum Tall Valve Covers for Small Block Chevy [Black]](https://www.jegs.com/images/mini_100/0/033/033-6705.jpg)
AFR - AIRFLOW RESEARCH
Cast Aluminum Tall Valve Covers for Small Block Chevy [Black]
Part Number: 033-6705
![Cast Aluminum Tall Valve Covers for Small Block Chevy [Black]](https://www.jegs.com/images/mini_200/0/033/033-6705.jpg)
AFR - AIRFLOW RESEARCH
Cast Aluminum Tall Valve Covers for Small Block Chevy [Black]
Part Number: 033-6705

AFR - AIRFLOW RESEARCH
1610 230cc LSX Mongoose Strip Aluminum Cylinder Heads GM LS1/LS2 /LS6
Part Number: 033-1610

AFR - AIRFLOW RESEARCH
1610 230cc LSX Mongoose Strip Aluminum Cylinder Heads GM LS1/LS2 /LS6
Part Number: 033-1610

AFR - AIRFLOW RESEARCH
Viton Rubber Valve Stem Seals .530 in. x 11/32 in. - Set of 16
Part Number: 033-6611-16

AFR - AIRFLOW RESEARCH
Viton Rubber Valve Stem Seals .530 in. x 11/32 in. - Set of 16
Part Number: 033-6611-16

AFR - AIRFLOW RESEARCH
9009-1 Valve Lock for 10 Degree Retainer w/8 mm Valve Stem Diameter
Part Number: 033-9009-1

AFR - AIRFLOW RESEARCH
9009-1 Valve Lock for 10 Degree Retainer w/8 mm Valve Stem Diameter
Part Number: 033-9009-1
![Rocker Arm Stud Girdle Replacement Nuts for 7/16 in.-20 Studs [Full Roller Polylock]](https://www.jegs.com/images/mini_100/0/033/033-6214-16.jpg)
AFR - AIRFLOW RESEARCH
Rocker Arm Stud Girdle Replacement Nuts for 7/16 in.-20 Studs [Full Roller Polylock]
Part Number: 033-6214-16
![Rocker Arm Stud Girdle Replacement Nuts for 7/16 in.-20 Studs [Full Roller Polylock]](https://www.jegs.com/images/mini_200/0/033/033-6214-16.jpg)
AFR - AIRFLOW RESEARCH
Rocker Arm Stud Girdle Replacement Nuts for 7/16 in.-20 Studs [Full Roller Polylock]
Part Number: 033-6214-16

AFR - AIRFLOW RESEARCH
230cc LSX Mongoose Strip Aluminum Cylinder Heads LS1 / LS2 / LS6 Chevy
Part Number: 033-1670

AFR - AIRFLOW RESEARCH
230cc LSX Mongoose Strip Aluminum Cylinder Heads LS1 / LS2 / LS6 Chevy
Part Number: 033-1670

AFR - AIRFLOW RESEARCH
LS1 2004 Mid Year AND Later Head Stud Kit 6 Point Nuts ARP 134-3610
Part Number: 033-6334

AFR - AIRFLOW RESEARCH
LS1 2004 Mid Year AND Later Head Stud Kit 6 Point Nuts ARP 134-3610
Part Number: 033-6334

AFR - AIRFLOW RESEARCH
Spring Cup 1.380 in. O.D. x 1.300 in. I.D. x .570 I.D.
Part Number: 033-8042-16

AFR - AIRFLOW RESEARCH
Spring Cup 1.380 in. O.D. x 1.300 in. I.D. x .570 I.D.
Part Number: 033-8042-16
![Cast Aluminum Tall Valve Covers for Big Block Chevy [Polished]](https://www.jegs.com/images/mini_100/0/033/033-6722.jpg)
AFR - AIRFLOW RESEARCH
Cast Aluminum Tall Valve Covers for Big Block Chevy [Polished]
Part Number: 033-6722
![Cast Aluminum Tall Valve Covers for Big Block Chevy [Polished]](https://www.jegs.com/images/mini_200/0/033/033-6722.jpg)
AFR - AIRFLOW RESEARCH
Cast Aluminum Tall Valve Covers for Big Block Chevy [Polished]
Part Number: 033-6722

AFR - AIRFLOW RESEARCH
Dual Springs, Red Stripe for Hydraulic Roller Cam 1.270 in. O.D.
Part Number: 033-8019-16

AFR - AIRFLOW RESEARCH
Dual Springs, Red Stripe for Hydraulic Roller Cam 1.270 in. O.D.
Part Number: 033-8019-16
![AFR "Best Head In Town" T-Shirt [Large, Black]](https://www.jegs.com/images/mini_100/0/033/033-9781.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [Large, Black]
Part Number: 033-9781
![AFR "Best Head In Town" T-Shirt [Large, Black]](https://www.jegs.com/images/mini_200/0/033/033-9781.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [Large, Black]
Part Number: 033-9781
![AFR "Best Head In Town" T-Shirt [2X-Large, Black]](https://www.jegs.com/images/mini_100/0/033/033-9783.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [2X-Large, Black]
Part Number: 033-9783
![AFR "Best Head In Town" T-Shirt [2X-Large, Black]](https://www.jegs.com/images/mini_200/0/033/033-9783.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [2X-Large, Black]
Part Number: 033-9783
![AFR "Best Head In Town" T-Shirt [4X-Large, Black]](https://www.jegs.com/images/mini_100/0/033/033-9785.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [4X-Large, Black]
Part Number: 033-9785
![AFR "Best Head In Town" T-Shirt [4X-Large, Black]](https://www.jegs.com/images/mini_200/0/033/033-9785.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [4X-Large, Black]
Part Number: 033-9785

AFR - AIRFLOW RESEARCH
Valve Locks for 7 Degree Retainer w/8 mm Valve Stem Diameter
Part Number: 033-9007-16

AFR - AIRFLOW RESEARCH
Valve Locks for 7 Degree Retainer w/8 mm Valve Stem Diameter
Part Number: 033-9007-16

AFR - AIRFLOW RESEARCH
Upgrade Steel 7 degree Retainer 1.250 O.D. to 8515 Titanium Retainer 1.250 O.D.
Part Number: 033-8600

AFR - AIRFLOW RESEARCH
Upgrade Steel 7 degree Retainer 1.250 O.D. to 8515 Titanium Retainer 1.250 O.D.
Part Number: 033-8600

AFR - AIRFLOW RESEARCH
Upgrade BBC Exhaust Valves 7630 or 7631 to Inconel 7633
Part Number: 033-7634

AFR - AIRFLOW RESEARCH
Upgrade BBC Exhaust Valves 7630 or 7631 to Inconel 7633
Part Number: 033-7634
![Screw-In Rocker Studs for Big Block Chevy Exhaust [7/16 in., Chromoly]](https://www.jegs.com/images/mini_100/0/033/033-6406-8.jpg)
AFR - AIRFLOW RESEARCH
Screw-In Rocker Studs for Big Block Chevy Exhaust [7/16 in., Chromoly]
Part Number: 033-6406-8
![Screw-In Rocker Studs for Big Block Chevy Exhaust [7/16 in., Chromoly]](https://www.jegs.com/images/mini_200/0/033/033-6406-8.jpg)
AFR - AIRFLOW RESEARCH
Screw-In Rocker Studs for Big Block Chevy Exhaust [7/16 in., Chromoly]
Part Number: 033-6406-8
![Intake Manifold Gaskets [Big Block Chevy]](https://www.jegs.com/images/mini_100/0/033/033-6880.jpg)
AFR - AIRFLOW RESEARCH
Intake Manifold Gaskets [Big Block Chevy]
Part Number: 033-6880
![Intake Manifold Gaskets [Big Block Chevy]](https://www.jegs.com/images/mini_200/0/033/033-6880.jpg)
AFR - AIRFLOW RESEARCH
Intake Manifold Gaskets [Big Block Chevy]
Part Number: 033-6880
![Rocker Arm Studs for Small Block Chevy, GM LS, Small Block Ford Engines [3/8 in.]](https://www.jegs.com/images/mini_100/0/033/033-6409-16.jpg)
AFR - AIRFLOW RESEARCH
Rocker Arm Studs for Small Block Chevy, GM LS, Small Block Ford Engines [3/8 in.]
Part Number: 033-6409-16
![Rocker Arm Studs for Small Block Chevy, GM LS, Small Block Ford Engines [3/8 in.]](https://www.jegs.com/images/mini_200/0/033/033-6409-16.jpg)
AFR - AIRFLOW RESEARCH
Rocker Arm Studs for Small Block Chevy, GM LS, Small Block Ford Engines [3/8 in.]
Part Number: 033-6409-16
![Intake Manifold Gaskets [Big Block Chevy]](https://www.jegs.com/images/mini_100/0/033/033-6853.jpg)
![Intake Manifold Gaskets [Big Block Chevy]](https://www.jegs.com/images/mini_200/0/033/033-6853.jpg)





