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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![Rocker Arm Stud Girdle Replacement Adjusting Nut [7/16 in.-20]](https://www.jegs.com/images/mini_100/0/033/033-6214-1.jpg)
AFR - AIRFLOW RESEARCH
Rocker Arm Stud Girdle Replacement Adjusting Nut [7/16 in.-20]
Part Number: 033-6214-1
![Rocker Arm Stud Girdle Replacement Adjusting Nut [7/16 in.-20]](https://www.jegs.com/images/mini_200/0/033/033-6214-1.jpg)
AFR - AIRFLOW RESEARCH
Rocker Arm Stud Girdle Replacement Adjusting Nut [7/16 in.-20]
Part Number: 033-6214-1
![Valve Lash Cap for Small Block Chevy, GM LS, and Small Block Ford Engines [8 mm]](https://www.jegs.com/images/mini_100/0/033/033-6609-1.jpg)
AFR - AIRFLOW RESEARCH
Valve Lash Cap for Small Block Chevy, GM LS, and Small Block Ford Engines [8 mm]
Part Number: 033-6609-1
![Valve Lash Cap for Small Block Chevy, GM LS, and Small Block Ford Engines [8 mm]](https://www.jegs.com/images/mini_200/0/033/033-6609-1.jpg)
AFR - AIRFLOW RESEARCH
Valve Lash Cap for Small Block Chevy, GM LS, and Small Block Ford Engines [8 mm]
Part Number: 033-6609-1
![Titanium 10 Degree Valve Spring Retainers 1.550 in. O.D. [16]](https://www.jegs.com/images/mini_100/0/033/033-8505-16.jpg)
AFR - AIRFLOW RESEARCH
Titanium 10 Degree Valve Spring Retainers 1.550 in. O.D. [16]
Part Number: 033-8505-16
![Titanium 10 Degree Valve Spring Retainers 1.550 in. O.D. [16]](https://www.jegs.com/images/mini_200/0/033/033-8505-16.jpg)
AFR - AIRFLOW RESEARCH
Titanium 10 Degree Valve Spring Retainers 1.550 in. O.D. [16]
Part Number: 033-8505-16
![Cast Aluminum Tall Valve Covers for Small Block Chevy [Polished]](https://www.jegs.com/images/mini_100/0/033/033-6704.jpg)
AFR - AIRFLOW RESEARCH
Cast Aluminum Tall Valve Covers for Small Block Chevy [Polished]
Part Number: 033-6704
![Cast Aluminum Tall Valve Covers for Small Block Chevy [Polished]](https://www.jegs.com/images/mini_200/0/033/033-6704.jpg)
AFR - AIRFLOW RESEARCH
Cast Aluminum Tall Valve Covers for Small Block Chevy [Polished]
Part Number: 033-6704

AFR - AIRFLOW RESEARCH
1845 260cc LS3 Mongoose Street Aluminum Cylinder Heads GM LS Chevy Block
Part Number: 033-1845

AFR - AIRFLOW RESEARCH
1845 260cc LS3 Mongoose Street Aluminum Cylinder Heads GM LS Chevy Block
Part Number: 033-1845

AFR - AIRFLOW RESEARCH
Magnum Dual-Plane Intake Manifold for Big Block Chevy 9.8 in. Deck with Rectangle-Port Cylinder Heads
Part Number: 033-4913


AFR - AIRFLOW RESEARCH
Magnum Dual-Plane Intake Manifold for Big Block Chevy 9.8 in. Deck with Rectangle-Port Cylinder Heads
Part Number: 033-4913
![6911 Ford Windsor Intake Manifold Gaskets [2.120 in. H x 1.290 in. W]](https://www.jegs.com/images/mini_100/0/033/033-6911.jpg)
AFR - AIRFLOW RESEARCH
6911 Ford Windsor Intake Manifold Gaskets [2.120 in. H x 1.290 in. W]
Part Number: 033-6911
![6911 Ford Windsor Intake Manifold Gaskets [2.120 in. H x 1.290 in. W]](https://www.jegs.com/images/mini_200/0/033/033-6911.jpg)
AFR - AIRFLOW RESEARCH
6911 Ford Windsor Intake Manifold Gaskets [2.120 in. H x 1.290 in. W]
Part Number: 033-6911

AFR - AIRFLOW RESEARCH
185cc Renegade Street Aluminum Cylinder Heads SB-Ford
Part Number: 033-1492

AFR - AIRFLOW RESEARCH
185cc Renegade Street Aluminum Cylinder Heads SB-Ford
Part Number: 033-1492

AFR - AIRFLOW RESEARCH
Valve Locks for 10 Degree Retainer w/8 mm Valve Stem Diameter
Part Number: 033-9009-16

AFR - AIRFLOW RESEARCH
Valve Locks for 10 Degree Retainer w/8 mm Valve Stem Diameter
Part Number: 033-9009-16

AFR - AIRFLOW RESEARCH
Upgrade LS1 Solid Stem 2.080 to Hollow stem 2.080 Valve
Part Number: 033-7509

AFR - AIRFLOW RESEARCH
Upgrade LS1 Solid Stem 2.080 to Hollow stem 2.080 Valve
Part Number: 033-7509
![AFR "Best Head In Town" T-Shirt [3X-Large, Black]](https://www.jegs.com/images/mini_100/0/033/033-9784.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [3X-Large, Black]
Part Number: 033-9784
![AFR "Best Head In Town" T-Shirt [3X-Large, Black]](https://www.jegs.com/images/mini_200/0/033/033-9784.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [3X-Large, Black]
Part Number: 033-9784

AFR - AIRFLOW RESEARCH
Chrome Moly 10 Degree Valve Spring Retainer 1.550 in. O.D.
Part Number: 033-8511-1

AFR - AIRFLOW RESEARCH
Chrome Moly 10 Degree Valve Spring Retainer 1.550 in. O.D.
Part Number: 033-8511-1
![AFR "Best Head In Town" T-Shirt [Medium, Black]](https://www.jegs.com/images/mini_100/0/033/033-9780.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [Medium, Black]
Part Number: 033-9780
![AFR "Best Head In Town" T-Shirt [Medium, Black]](https://www.jegs.com/images/mini_200/0/033/033-9780.jpg)
AFR - AIRFLOW RESEARCH
AFR "Best Head In Town" T-Shirt [Medium, Black]
Part Number: 033-9780
![Titanium Valve Spring Retainers for Small Block Chevy and Small Block Ford [7 Degree, 1.245 in. OD]](https://www.jegs.com/images/mini_100/0/033/033-8515-16.jpg)
AFR - AIRFLOW RESEARCH
Titanium Valve Spring Retainers for Small Block Chevy and Small Block Ford [7 Degree, 1.245 in. OD]
Part Number: 033-8515-16
![Titanium Valve Spring Retainers for Small Block Chevy and Small Block Ford [7 Degree, 1.245 in. OD]](https://www.jegs.com/images/mini_200/0/033/033-8515-16.jpg)
AFR - AIRFLOW RESEARCH
Titanium Valve Spring Retainers for Small Block Chevy and Small Block Ford [7 Degree, 1.245 in. OD]
Part Number: 033-8515-16
![Chrome Moly 7 Degree Valve Spring Retainer 1.250 in. O.D. [16]](https://www.jegs.com/images/mini_100/0/033/033-8514-16.jpg)
AFR - AIRFLOW RESEARCH
Chrome Moly 7 Degree Valve Spring Retainer 1.250 in. O.D. [16]
Part Number: 033-8514-16
![Chrome Moly 7 Degree Valve Spring Retainer 1.250 in. O.D. [16]](https://www.jegs.com/images/mini_200/0/033/033-8514-16.jpg)
AFR - AIRFLOW RESEARCH
Chrome Moly 7 Degree Valve Spring Retainer 1.250 in. O.D. [16]
Part Number: 033-8514-16
![PAC Racing Dual Springs, Yellow Stripe for Solid Roller Cam 1.550 in. O.D. .788 I.D [16]](https://www.jegs.com/images/mini_100/0/033/033-8001-16.jpg)
AFR - AIRFLOW RESEARCH
PAC Racing Dual Springs, Yellow Stripe for Solid Roller Cam 1.550 in. O.D. .788 I.D [16]
Part Number: 033-8001-16
![PAC Racing Dual Springs, Yellow Stripe for Solid Roller Cam 1.550 in. O.D. .788 I.D [16]](https://www.jegs.com/images/mini_200/0/033/033-8001-16.jpg)
AFR - AIRFLOW RESEARCH
PAC Racing Dual Springs, Yellow Stripe for Solid Roller Cam 1.550 in. O.D. .788 I.D [16]
Part Number: 033-8001-16

AFR - AIRFLOW RESEARCH
Upgrade 10 degree Steel Retainer to BBC 8507 Titanium Retainer
Part Number: 033-8509

AFR - AIRFLOW RESEARCH
Upgrade 10 degree Steel Retainer to BBC 8507 Titanium Retainer
Part Number: 033-8509

AFR - AIRFLOW RESEARCH
Valve Spring Locators (Seat) 1.550 in. O.D. x .705 in. O.D. x .570 in. I.D.
Part Number: 033-8048-16

AFR - AIRFLOW RESEARCH
Valve Spring Locators (Seat) 1.550 in. O.D. x .705 in. O.D. x .570 in. I.D.
Part Number: 033-8048-16




![Intake Manifold Gaskets [Big Block Chevy]](https://www.jegs.com/images/mini_100/0/033/033-6863.jpg)
![Intake Manifold Gaskets [Big Block Chevy]](https://www.jegs.com/images/mini_200/0/033/033-6863.jpg)





