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Vendor: Air FLow Research
1.245 7-Deg Valve Spring Retainer 1pk
Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - EachSale price $ 4.00Regular price $ 4.12 -
Vendor: Air FLow Research
1.270 Valve Spring Hydraulic Roller Cam
Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - EachSale price $ 26.00Regular price $ 26.78 -
Vendor: Air FLow Research
1.500 Steel Retainer 10-Degree
Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - EachSale price $ 4.00Regular price $ 4.12 -
Vendor: Air FLow Research
1.550 OD Valve Spring Solid Roller Cam
Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - EachSale price $ 20.00Regular price $ 20.60 -
Vendor: Air FLow Research
10 Deg Valve Locks 11/32 Set
Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 16Sale price $ 53.00Regular price $ 54.59 -
Vendor: Air FLow Research
1in Phenolic 4150 Carb Spacer Open Clover
Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - EachSale price $ 45.00Regular price $ 46.35 -
Vendor: Air FLow Research
1in Phenolic 4150 Carb Spacer Tapered 4
Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - EachSale price $ 45.00Regular price $ 46.35 -
Vendor: Air FLow Research
4500 Single Plane Intake Manifold BBF Bullitt
Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - EachSale price $ 587.00Regular price $ 604.61 -
Vendor: Air FLow Research
8mm 2.020 Intake Valve SBC/SBF Street
Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - EachSale price $ 20.00Regular price $ 20.60 -
Vendor: Air FLow Research
8mm Bronze Guide .502in OD
Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - EachSale price $ 13.00Regular price $ 13.39 -
Vendor: Air FLow Research
8mm Valve Stem Seals - Viton .530 Guide
Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16Sale price $ 20.00Regular price $ 20.60 -
Vendor: Air FLow Research
Adjusting Nut 1pk 7/16 x 2.600 BBC Intake
Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - EachSale price $ 12.00Regular price $ 12.36 -
Vendor: Air FLow Research
Adjusting Nut 8pk 7/16 x 2.600 BBC Intake
Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8Sale price $ 75.00Regular price $ 77.25 -
Vendor: Air FLow Research
Adjusting Nuts - 8pk 7/16 x 2.100
Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8Sale price $ 75.00Regular price $ 77.25 -
Vendor: Air FLow Research
BBC 1.880 Exh Valve 11/32 5.450 OAL
Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Inconel - Big Block Chevy - EachSale price $ 58.00Regular price $ 59.74 -
Vendor: Air FLow Research
BBC 1.880 Exhaust Valve
Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - EachSale price $ 30.00Regular price $ 30.90 -
Vendor: Air FLow Research
BBC 1.880 Exhaust Valve
Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - EachSale price $ 29.00Regular price $ 29.87 -
Vendor: Air FLow Research
BBC 2.300 Intake Valve
Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - EachSale price $ 29.00Regular price $ 29.87 -
Vendor: Air FLow Research
BBC 265cc CNC Alum Heads Magnum O/P
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 - PairSale price $ 3,031.00Regular price $ 3,121.93 -
Vendor: Air FLow Research
BBC 265cc CNC Alum Heads Magnum 109cc O/P
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 - PairSale price $ 2,768.00Regular price $ 2,851.04
Established in 1970 in Valencia, CA, Air Flow Research is a family-owned and operated company building products for the Professional Racing and Street markets, including racers, street performance fans, and everyone in-between. The Air Flow Research product lineup contains cylinder heads, intake manifolds, valves, gaskets, carburetor adapters and spacers, lifters, fasteners, and more.