Airflow Research (AFR) Engines & Components

Valve Spring Retainer, 10 degree, 1.500 in. O.D., Steel, Each

Part Number: AFR-8511-1

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Rocker Arm Studs, 7/16-14 in. Base Thread, 7/16-20 in. Rocker Arm Nut Thread, 2.00 in. Stud Length, Chevy, Ford, Big Block, Each

Part Number: AFR-6407-1

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CYLINDER HEAD

Part Number: AFR-1065-1

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Valve Covers, Stock Height, Cast Aluminum, Black, AFR Logo, Chevy, Small Block, Pair

Part Number: AFR-6707

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 3, 2025 if ordered today

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Valve, Replacement, Exhaust, Stainless, 1.600 in. Diameter, 4.920 in. Length, Chevy, Ford, Small Block, AFR, Each

Part Number: AFR-7220

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Valve Guide, 11/32 in., Bronze, Exhaust, Chevy, Big Block, Each

Part Number: AFR-9041-1

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AFR 3/8" Adjustable Guideplates, Big Block Ford, Set of 8

Part Number: AFR-6108-8

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Valves, BBC 24° Stainless Steel 2.300 x 5.500 O.A.L. 11/32 Stem Race Intake Valve, Set

Part Number: AFR-7626-8

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve, Replacement, Intake, 2.020 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Set of 8

Part Number: AFR-7207-8

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Valve, Replacement, Exhaust, Stainless Steel, 1.570 in. Diameter, 8mm Stem, 5.030 in. Length, Ford, Set of 8

Part Number: AFR-7248-8

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve, Replacement, Intake, 2.080 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Set of 8

Part Number: AFR-7208-8

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve Spring Retainer, Titanium, 7 degree Lock, 1.245 in., Dual Spring, Set of 16

Part Number: AFR-8515-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Sep 18, 2025 if ordered today

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Valves, LS3 Solid Stem Valve, 1.600 X 5.200 O.A.L. Race Exhaust Valve, 1 Ea.

Part Number: AFR-7212-1

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve, Replacement, Exhaust, Stainless, 1.600 in. Diameter, 8mm Stem, 5.040 in. Length, Each

Part Number: AFR-7260-1

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Estimated Ship Date: Sep 22, 2025 if ordered today

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LS3 Rocker Arm Rails

Part Number: AFR-6040

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve Locks, 10 degree, 1-groove, Alloy Steel, Machined, 0.343 in. Stem Diameter, Pair

Part Number: AFR-9005-1

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Valve Spring Seat, Steel, 1.640 in. I.D., 1.740 in. O.D., Set of 16

Part Number: AFR-8046-16

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valves, SBF 8mm Inconel 1.570 X 5.030 O.A.L Race Exhaust Valve

Part Number: AFR-7247-8

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AFR 20° SBF 185 Enforcer Street As Cast 59cc chambers – NO PARTS

Part Number: AFR-1352

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve Spring Seat, Steel, 1.640 in. I.D., 1.740 in. O.D., Each

Part Number: AFR-8046-1

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Guideplates, Adjustable guide plates for big block Ford cylinder heads

Part Number: AFR-6108-1

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve Guide, 11/32 in., Bronze, Intake, Chevy, Big Block, Each

Part Number: AFR-9042-1

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Estimated Ship Date: Sep 18, 2025 if ordered today

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AFR BB Chevy Oval Port & BB Ford Intake Seat 2.450 OD x 1.950 ID x .375

Part Number: AFR-9065

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Valve Covers, Stock Height, Cast Aluminum, Polished, AFR Logo, Chevy, Small Block, Pair

Part Number: AFR-6706

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Estimated Ship Date: Sep 3, 2025 if ordered today

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LS3 8mm Bronze Guide, .502 OD, Set of 16

Part Number: AFR-9053-16

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Estimated Ship Date: Sep 18, 2025 if ordered today

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