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Airflow Research (AFR)
For over thirty years Airflow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics.

Airflow Research (AFR) Categories

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Items 1-20 of 20
AFR Stainless Steel Valves
AFR Stainless Steel Replacement Valves - 1-Piece high quality replacements for your AFR cylinder heads. Requires AFR Bead Lock style valve locks. Conventional ''square'' style valve locks will not work with these AFR Valves.
AFR Valve Springs
AFR Hydraulic Roller Springs are Premium Grade Chrome Silicon valve springs.
BB Chevy Header Gaskets
PitStopUSA.com offers a variety of Big Block Chevrolet Header Gaskets from the biggest brands in drag racing including Cometic Big Block Chevrolet Header Gaskets, Earl's Big Block Chevrolet Header...More Details »
Carburetor Spacers
Carburetor Spacers from PitStopUSA.com are used for everything from air cleaner clearance to fine tuning the torque curve of your engine. We have a huge selection of aluminum, phenolic and wood...More Details »
Cylinder Heads
Getting a great set of cylinder heads is one of the best ways to create maximum horsepower from your racing engine. Creating the perfect fuel, air, and exhaust flow depends on the size and shape of...More Details »
Exhaust Header and Manifold Gaskets
Pit Stop USA is The Online Motorsports Superstore! We feature Header Gaskets at low everyday prices.
Intake Manifold Gaskets - BB Chevy
PitStopUSA.com offers a variety of Big Block Chevrolet Intake Manifold Gaskets from the biggest brands in drag racing including AFR Big Block Chevrolet Intake Manifold Gaskets, Brodix Big Block...More Details »
Intake Manifold Gaskets - BB Ford / FE
PitStopUSA.com offers a variety of Big Block Ford and Ford FE Intake Manifold Gaskets from the biggest brands in drag racing including Edelbrock Big Block Ford and Ford FE Intake Manifold Gaskets,...More Details »
Intake Manifolds - Big Block Chevrolet
PitStopUSA.com offers a variety of Big Block Chevrolet Intake Manifolds from the biggest brands in drag racing including Brodix Big Block Chevrolet Intake Manifolds, Dart Big Block Chevrolet Intake...More Details »
Intake Manifolds - Big Block Ford / Ford FE
PitStopUSA.com offers a variety of Big Block Ford and Ford FE Intake Manifolds from the biggest brands in drag racing including Edelbrock Big Block Ford and Ford FE Intake Manifolds, Weiand Big...More Details »
Intake Manifolds - Small Block Chevrolet
Pit Stop USA is The Online Motorsports Superstore! We feature Intake Manifolds for Small Block Chevy at low everyday prices.
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Rocker Arm Stud Girdles
Pit Stop USA is The Online Motorsports Superstore! We feature Stud Girdles at low everyday prices.
Rocker Arms
Pit Stop USA is The Online Motorsports Superstore! We feature Rocker Arms at low everyday prices.
Rocker Stud Girdle Replacement Components
PitStopUSA.com offers a variety of Stud Girdle Replacement Components from the biggest brands in drag racing including Allstar Performance Stud Girdle Replacement Components, AFR Stud Girdle...More Details »
Valve Cover Gaskets - BB Chevy
PitStopUSA.com offers a variety of Big Block Chevrolet Valve Cover Gaskets from the biggest brands in drag racing including Brodix Big Block Chevrolet Valve Cover Gaskets, Dart Big Block Chevrolet...More Details »
Valve Covers
Choosing the right valve covers from PitStopUSA.com huge selection not only provides a reliable seal but make your engine look great when you lift the hood of your race car. Whether you want to...More Details »
Valve Guides
PitStopUSA.com offers a variety of Valve Guides from the biggest brands in drag racing including AFR Valve Guides, Brodix Valve Guides, Dart Valve Guides, Edelbrock Valve Guides and more at low everyday prices.
Valve Seats
PitStopUSA.com offers a variety of Valve Seats from the biggest brands in drag racing including Brodix Valve Seats, Dart Valve Seats and more at low everyday prices.
Valve Spring Retainers
Valve locks and retainers hold the retainer in place by using the force of the valve spring to hold the retainer and lock in place, not by the tang locking into the groove on the valve stem. In...More Details »
Items 1-20 of 20

Airflow Research (AFR) Products

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Items 76-96 of 96
Description: Cylinder Head, Eliminator Race, Assembled, 2.100 / 1.600 in Valves, 227 cc Intake, 65 cc Chamber, 1.550 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1068
Condition: New
Limited Supply: Only 6 Left!
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $2,305.99
Sale: $2,281.96
Save: 1%
Save: $24.03


Description: Rocker Arm Stud Girdle, Aluminum, Red Anodize, AFR Bullitt Heads, Big Block Ford, Pair
Item #: AFR6209
Condition: New
Limited Supply: Only 1 Left!
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Price: $225.99
Sale: $222.96
Save: 1%
Save: $3.03
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Description: Cylinder Head, Magnum Comp, Assembled, 2.250 / 1.880 in Valves, 315 cc Intake, 121 cc Chamber, 1.625 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR2000
Condition: New
Limited Supply: Only 0 Left!
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Price: $4,465.99
Sale: $4,420.96
Save: 1%
Save: $45.03

Description: Valve Cover, Stock Height, Breather Holes, AFR Logo, Aluminum, Polished, Big Block Chevy, Pair
Item #: AFR6722
Condition: New
Limited Supply: Only 2 Left!
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Price: $405.99
Sale: $400.96
Save: 1%
Save: $5.03

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Description: Exhaust Manifold / Header Gasket, 2.130 in Round Port, Steel Core Laminate, Big Block Chevy, Pair
Item #: AFR6858
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $28.99
Sale: $27.96
Save: 4%
Save: $1.03
Description: Rocker Arm Stud Girdle, Aluminum, Blue Anodize, AFR Magnum V2 Heads, Big Block Chevy, Pair
Item #: AFR6202
Condition: New
Limited Supply: Only 9 Left!
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Price: $258.99
Sale: $255.96
Save: 1%
Save: $3.03

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Description: Valve Cover, Tall, Breather Holes, AFR Logo, Aluminum, Black Powder Coat, Small Block Ford, Pair
Item #: AFR6715
Condition: New
Limited Supply: Only 2 Left!
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Price: $244.99
Sale: $241.96
Save: 1%
Save: $3.03
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Description: Rocker Arm Stud Girdle, Aluminum, Blue Anodize, Small Block Ford, Pair
Item #: AFR6207
Condition: New
Limited Supply: Only 6 Left!
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Price: $190.99
Sale: $188.96
Save: 1%
Save: $2.03
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Description: Intake Manifold, Bullitt, Square Bore, Single Plane, Aluminum, Natural, Big Block Ford, Each
Item #: AFR4992
Condition: New
Limited Supply: Only 4 Left!
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Price: $474.99
Sale: $469.96
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Save: $5.03

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Description: Intake Manifold, Bullitt, Dominator Flange, Single Plane, Aluminum, Natural, Big Block Ford, Each
Item #: AFR4993
Condition: New
Limited Supply: Only 0 Left!
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Price: $499.99
Sale: $494.96
Save: 1%
Save: $5.03

Description: Rocker Arm, 7/16 in Stud Mount, 1.60 Ratio, 0.050 in Offset, Full Roller, Aluminum, Orange Anodize, Small Block Chevy, Set of 16
Item #: AFR6036
Condition: New
Limited Supply: Only 1 Left!
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Price: $441.99
Sale: $436.96
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Description: Intake Manifold Gasket, Composite, 1.837 x 2.268 in Rectangular Port, AFR Bullitt Series Heads, Big Block Ford, Pair
Item #: AFR6893
Condition: New
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Ships from Michigan.
Price: $23.99
Sale: $22.96
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Save: $1.03
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Description: Cylinder Head, Bullitt, Assembled, 2.250 / 1.760 in Valves, 280 cc Intake, 75 cc Chamber, 1.550 in Springs, Aluminum, Big Block Ford, Pair
Item #: AFR3802
Condition: New
Limited Supply: Only 0 Left!
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $2,561.99
Sale: $2,535.96
Save: 1%
Save: $26.03

Description: Cylinder Head, Bullitt, Assembled, 2.250 / 1.760 in Valves, 295 cc Intake, 75 cc Chamber, 1.625 in Springs, Aluminum, Big Block Ford, Pair
Item #: AFR3817
Condition: New
Limited Supply: Only 0 Left!
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $3,133.99
Sale: $3,101.96
Save: 1%
Save: $32.03

Description: Valve Seat, Exhaust, 1.696 in OD, 1.600 in ID, Iron, Each
Item #: AFR9070
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $12.99
Sale: $11.96
Save: 8%
Save: $1.03
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Description: Valve Seat, Intake, 2.200 in OD x 1.780 in ID x 0.375 in, Iron, Each
Item #: AFR9060
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $12.99
Sale: $11.96
Save: 8%
Save: $1.03
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Description: Cylinder Head, Street Eliminator, Assembled, 2.020 / 1.600 in Valves, 180 cc Intake, 65 cc Chamber, 1.290 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR0916
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $1,886.99
Sale: $1,867.96
Save: 1%
Save: $19.03

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Description: Cylinder Head, Street Comp, Assembled, 2.080 / 1.600 in Valves, 195 cc Intake, 65 cc Chamber, 1.260 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1095-716
Condition: New
Limited Supply: Only 4 Left!
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Price: $2,806.99
Sale: $2,777.96
Save: 1%
Save: $29.03

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Description: Cylinder Head, Eliminator Race, Assembled, 2.100 / 1.600 in Valves, 220 cc Intake, 75 cc Chamber, 1.550 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1066
Condition: New
Limited Supply: Only 3 Left!
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $2,291.99
Sale: $2,268.96
Save: 1%
Save: $23.03

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Description: Cylinder Head, Comp Package, Assembled, 2.100 / 1.600 in Valves, 235 cc Intake, 70 cc Chamber, 1.55 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1134-TI
Condition: New
Limited Supply: Only 1 Left!
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Price: $3,376.99
Sale: $3,342.96
Save: 1%
Save: $34.03

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Description: Cylinder Head, Comp Package, Assembled, 2.125 / 1.600 in Valves, 245 cc Intake, 70 cc Chamber, 1.550 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1137-TI
Condition: New
Limited Supply: Only 0 Left!
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $3,564.99
Sale: $3,528.96
Save: 1%
Save: $36.03

Items 76-96 of 96

More About Airflow Research (AFR)

Pit Stop USA is The Online Motorsports Superstore! For over thirty years Airflow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. This complete commitment to performance has enabled Airflow Research's cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. As every engine builder will attest to, the secret to increasing horsepower and performance lies in the cylinder head, and Airflow Research's cylinder heads outflow and out horsepower everything in their league.