Every engine builder will agree that the secret behind building horsepower lies in the cylinder head. For more than four and a half decades, Air Flow Research has remained one of the brands that have been forerunning technology advances in cylinder head production and flow dynamics. This very commitment to high performance has enabled the company’s products to find their way into some of the most powerful racecars and the fastest street autos in the U.S.

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    • (0 reviews)
      # sp85120
      Titon 23° TXR Race Intake Manifold by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      Built to match your exact requirementsHigh quality you can rely on
      $645.46
    • (0 reviews)
      # sp85091
      Eliminator 23° LT1 Street Cylinder Heads by AFR®, 1 Pair. GM LT1 Plug Type, 195cc Intake Runners, 55cc Chambers. AFR's 195cc "Street" heads feature 100 CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality...
      Built to match your exact requirementsHigh quality you can rely on
      $1,906.05
    • (0 reviews)
      # sp85101
      Magnum 24° Oval Port Cylinder Heads by AFR®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      Built to match your exact requirementsHigh quality you can rely on
      $3,203.68
    • (0 reviews)
      # sp85119
      Titon 23° DPR Street/Strip Intake Manifold by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Built to match your exact requirementsHigh quality you can rely on
      $645.46
    • (0 reviews)
      # sp85094
      Eliminator 23° Vortec Cylinder Heads by AFR®, 1 Pair. 190cc Intake Runners, 65cc Chambers. AFR's 190cc Vortec Street heads are the preferred choice over reworked factory heads. They feature 100 CNC ported intake, exhaust & chambers,...
      Built to match your exact requirementsHigh quality you can rely on
      $2,702.18 - $3,964.79
    • (0 reviews)
      # sp85104
      Mongoose LS1 15° Cathedral Port Cylinder Heads by AFR®, 1 Pair. AFR’s, MONGOOSE, LS1 Cathedral Port cylinder heads are 100% 5-AXIS CNC ported and are CARB Certified EO #D-250-4 for vehicles model year 2004 or older. Made with A356...
      Built to match your exact requirementsHigh quality you can rely on
      $2,542.89 - $2,895.72
    • (0 reviews)
      # sp85107
      Renegade 20° Street Cylinder Heads by AFR®, 1 Pair. RENEGADE line of cylinder heads for the small block Ford, feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition versions. The...
      Built to match your exact requirementsHigh quality you can rely on
      $1,770.00
    • (0 reviews)
      # sp85106
      Renegade 20° Competition Cylinder Heads by AFR®, 1 Pair. Stud Mount Rocker Type. RENEGADE line of cylinder heads for the small block Ford, feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and...
      Built to match your exact requirementsHigh quality you can rely on
      $2,070.95 - $2,358.82
    • (0 reviews)
      # sp85092
      Eliminator 23° LT1 Street Cylinder Heads by AFR®, 1 Pair. GM LT1 Plug Type, 195cc Intake Runners, 55cc Chambers. AFR's 195cc "Street" heads feature 100 CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality...
      Built to match your exact requirementsHigh quality you can rely on
      $1,929.30 - $2,950.00
    • (0 reviews)
      # sp85093
      Eliminator 23° Street Cylinder Heads by AFR®, 1 Pair. ELIMINATOR line of SBC heads feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition version. The 180cc, 190cc and 195cc models...
      Built to match your exact requirementsHigh quality you can rely on
      $1,648.03
    • (0 reviews)
      # sp85122
      Titon Replacement Gasket Kit by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Built to match your exact requirementsHigh quality you can rely on
      $43.65
    • (0 reviews)
      # sp85118
      Intake Gasket Set by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Built to match your exact requirementsHigh quality you can rely on
      $21.58
    • (0 reviews)
      # mpn358957111
      Eliminator 23° Vortec Cylinder Heads by AFR®. AFR's 190cc Vortec Street heads are the preferred choice over reworked factory heads. They feature 100 CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality...
      100% CNC Ported Combustion Chambers100% CNC Ported Exhaust Ports
      $1,827.82
    • (0 reviews)
      # mpn358957119
      Eliminator 23° LT1 Race Cylinder Heads by AFR®. AFR's 210cc "Race Ready" and "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for race...
      100% CNC Ported Combustion Chambers100% CNC Ported Exhaust Ports
      $2,095.20
    • (0 reviews)
      # 820564917
      Valve Covers by AFR®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $176.99 - $300.89
    • (0 reviews)
      # 820521928
      Powder Coat Valve Covers by AFR®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $176.99 - $300.89
    • (0 reviews)
      # mpn358957189
      Standard Valve Covers by AFR®. Includes: Rubber Grommets and Baffles for PCV. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
      Includes Rubber Grommets & Baffles for PCVDesigned to meet the needs of racers or street enthusiasts
      $176.99
    • (0 reviews)
      # 820521908
      Standard Powder Coat Valve Covers by AFR®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      Includes Rubber Grommets & Baffles for PCVDesigned to meet the needs of racers or street enthusiasts
      $176.99
    • (0 reviews)
      # 470674811
      1" Lightweight Carburetor Spacer by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $36.57 - $47.19
    • (0 reviews)
      # mpn3182931673
      Stud Girde Adjusting Nuts by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $5.06
    • (0 reviews)
      # mpn3182944956
      Stud Girde Adjusting Nuts by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $6.31
    • (0 reviews)
      # mpn3182932163
      Stud Girde Adjusting Nuts by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $5.06
    • (0 reviews)
      # mpn358957214
      Exhaust Valve by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Stainless Steel High Performance Tulip Exhaust Valve1 pc. Chrome Stem
      $24.77
    • (0 reviews)
      # mpn358957224
      Exhaust Valve Seat by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $10.67
    • (0 reviews)
      # mpn3182946710
      Exhaust Nail Head Valve by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...
      Stainless Steel High Performance Nail Head Exhaust Valve1 pc. Chrome Stem
      $22.31
    • (0 reviews)
      # mpn358957197
      Intake Valve by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $25.00
    • (0 reviews)
      # mpn358957174
      Stud Girdle Kit by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $141.59
    • (0 reviews)
      # mpn358957216
      Hydraulic Roller Valve Spring by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Hydraulic Roller Spring 1.270 O.D.Premium Grade Chrome Silicon
      $18.29
    • (0 reviews)
      # mpn358957223
      Intake Valve Seat by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $10.67
    • (0 reviews)
      # mpn358957210
      Intake Valve by AFR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      8mm Stem DiameterStainless Steel
      $21.24




    During its earlier years, Air Flow Research has been engaged in high-power porting of different cylinder heads, while introducing various innovative techniques that included fast burning chambers, CNC-machined cylinder heads, D-shaped exhaust ports, hurricane chambers, and so on. The company became a pioneer with its groundbreaking tape CNC machine. AFR had soon established itself a reputation as a premier supplier to some of the fastest racing teams in the U.S. In the 1980s, the company was the major consultant to General Motors, providing heads for Chevy engines.

    Air Flow Research heads can outflow and outperform all competitors in their league. The company’s total dedication to constant improvement doesn’t stop with its research and development, AFR remains focused on the racers. While being a leader today, the company invests heavily into the next-gen horsepower, with new manufacturing technologies, sophisticated dynamometer testing, and the company’s in-house flow testing methods. To retain their long and proud allegiance to high performance, Air Flow Research is already bringing up a new gen of racers and engineers in order to meet the continuously-increasing demands of tomorrow’s racecar engine builders.

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