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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 26-50 of 96
Description: Cylinder Head, Magnum Comp, Assembled, 2.300 / 1.880 in Valves, 325 cc Intake, 121 cc Chamber, 1.625 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR2101-1
Condition: New
Limited Supply: Only 1 Left!
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Price: $3,671.99
Sale: $3,634.96
Save: 1%
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Description: Cylinder Head, Magnum Comp, Assembled, 2.300 / 1.880 in Valves, 345 cc Intake, 117 cc Chamber, 1.625 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR2110
Condition: New
Limited Supply: Only 1 Left!
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Price: $3,408.99
Sale: $3,373.96
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Description: Intake Manifold Gasket, 0.060 in Thick, Composite, 1.820 x 2.540 in Rectangular Port, Big Block Chevy, Pair
Item #: AFR6855
Condition: New
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Ships from Michigan.
Price: $27.99
Sale: $26.96
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Description: Intake Manifold Gasket, 0.060 in Thick, Composite, 1.826 x 2.500 in 1/2 in Radius Rectangular Port, Big Block Chevy, Pair
Item #: AFR6856
Condition: New
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Ships from Michigan.
Price: $27.99
Sale: $26.96
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Description: Intake Manifold, Dominator Flange, Single Plane, Rectangle Port, Aluminum, Natural, 18 Degree Head, Standard Deck, Big Block Chevy, Each
Item #: AFR4902
Condition: New
Limited Supply: Only 1 Left!
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Price: $603.99
Sale: $597.96
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Description: Intake Manifold, Dominator Flange, Single Plane, Rectangle Port, Aluminum, Natural, 18 Degree Head, Tall Deck, Big Block Chevy, Each
Item #: AFR4901
Condition: New
Limited Supply: Only 1 Left!
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Price: $612.99
Sale: $605.96
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Description: Cylinder Head, Magnum Street, Assembled, 2.190 / 1.880 in Valves, 265 cc Intake, 109 cc Chamber, 1.550 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR3610
Condition: New
Limited Supply: Only 0 Left!
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Price: $2,650.99
Sale: $2,623.96
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Save: $27.03

Description: Cylinder Head, Magnum Street, Assembled, 2.190 / 1.880 in Valves, 265 cc Intake, 112 cc Chamber, 1.550 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR3610-1
Condition: New
Limited Supply: Only 0 Left!
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Price: $2,896.99
Sale: $2,867.96
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Save: $29.03

Description: Cylinder Head, Magnum Comp, Assembled, 2.300 / 1.880 in Valves, 335 cc Intake, 121 cc Chamber, 1.625 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR2001
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: Cylinder Head, Magnum Comp, Assembled, 2.300 / 1.880 in Valves, 345 cc Intake, 121 cc Chamber, 1.625 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR2110-1
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: $3,672.99
Sale: $3,635.96
Save: 1%
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Description: Valve Cover, Breather Holes, AFR Logo, Aluminum, Polished, AFR 18 Degree Heads, Big Block Chevy, Pair
Item #: AFR6728
Condition: New
Limited Supply: Only 1 Left!
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Price: $532.99
Sale: $526.96
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Description: Intake Manifold Gasket, Composite, 1.841 x 2.700 in Oval Port, Big Block Chevy, Pair
Item #: AFR6863
Condition: New
Limited Supply: Only 8 Left!
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Ships from Michigan.
Price: $32.99
Sale: $31.96
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Description: Cylinder Head, SBC Eliminator, Assembled, 2.080 / 1.600 in Valves, 210 cc Intake, 75 cc Chamber, 1.550 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1100
Condition: New
Limited Supply: Only 0 Left!
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Price: $2,828.99
Sale: $2,799.96
Save: 1%
Save: $29.03

NEW!
Description: Valve Spring, Dual Spring, 450 lb/in Spring Rate, 1.080 in Coil Bind, 1.270 in OD, AFR Cylinder Heads Replacement, Each
Item #: AFR8019-1
Condition: New
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Ships from Michigan.
Price: $20.99
Sale: $19.96
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NEW!
Description: Valve Spring, Dual Spring, 540 lb/in Spring Rate, 1.155 in Coil Bind, 1.550 in OD, Each
Item #: AFR8000-1
Condition: New
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Ships from Michigan.
Price: $17.99
Sale: $16.96
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Description: Cylinder Head, Eliminator Comp, Assembled, 2.100 / 1.600 in Valves, 220 cc Intake, 65 cc Chamber, 1.550 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1065
Condition: New
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Price: $2,305.99
Sale: $2,281.96
Save: 1%
Save: $24.03

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Description: Cylinder Head, Eliminator Race, Assembled, 2.080 / 1.600 in Valves, 210 cc Intake, 65 cc Chamber, 1.550 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1057
Condition: New
Limited Supply: Only 1 Left!
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Price: $2,461.99
Sale: $2,436.96
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Save: $25.03

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Description: Cylinder Head, Eliminator Race, Assembled, 2.100 / 1.600 in Valves, 227 cc Intake, 75 cc Chamber, 1.550 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR1067
Condition: New
Limited Supply: Only 1 Left!
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Price: $2,305.99
Sale: $2,281.96
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Save: $24.03

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Description: Cylinder Head, Eliminator Street, Assembled, 2.020 / 1.600 in Valves, 180 cc Intake, 75 cc Chamber, 1.290 in Springs, Aluminum, Small Block Chevy, Pair
Item #: AFR0911
Condition: New
Limited Supply: Only 0 Left!
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Price: $2,074.99
Sale: $2,053.96
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Save: $21.03

NEW!
Description: Exhaust Valve, High Performance, 1.880 in Head, 11/32 in Valve Stem, 5.450 in Long, Stainless, Big Block Chevy, Each
Item #: AFR7631-1
Condition: New
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Ships from Michigan.
Price: $26.99
Sale: $25.96
Save: 4%
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Description: Intake Manifold Gasket, Composite, Oval Port, AFR 18 Degree Heads, Big Block Chevy, Pair
Item #: AFR6880
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $32.99
Sale: $31.96
Save: 3%
Save: $1.03
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Description: Cylinder Head, LS3 Mongoose, Assembled, 2.165 / 1.600 in Valves, 260 cc Intake, 69 cc Chamber, 1.270 in Springs, Aluminum, GM LS-Series, Pair
Item #: AFR1840
Condition: New
Limited Supply: Only 0 Left!
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Price: $3,091.99
Sale: $3,060.96
Save: 1%
Save: $31.03

Description: Cylinder Head, LSx Mongoose Street, Assembled, 2.020 / 1.600 in Valves, 210 cc Intake, 66 cc Chamber, 1.290 in Springs, Aluminum, GM LS-Series, Pair
Item #: AFR1510
Condition: New
Limited Supply: Only 0 Left!
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Price: $2,710.99
Sale: $2,682.96
Save: 1%
Save: $28.03

Description: Cylinder Head, LSx Mongoose Street, Assembled, 2.020 / 1.600 in Valves, 215 cc Intake, 65 cc Chamber, 1.290 in Springs, Aluminum, GM LS-Series, Pair
Item #: AFR1530
Condition: New
Limited Supply: Only 0 Left!
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Price: $2,789.99
Sale: $2,761.96
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Description: Cylinder Head, Magnum Comp, Assembled, 2.300 / 1.880 in Valves, 357 cc Intake, 121 cc Chamber, 1.625 in Springs, Aluminum, Big Block Chevy, Pair
Item #: AFR2010-TI
Condition: New
Limited Supply: Only 0 Left!
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Price: $4,686.99
Sale: $4,639.96
Save: 1%
Save: $47.03

Items 26-50 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.