Air Flow Research

Complete 325cc Enforcer Aluminium Cylinder Heads, Rectangle Port, EachSuit B/B Chev, 122cc Combustion Chambers, As CastAFR3001R3001AFR's 335cc BBC ...

210cc Eliminator Racing Aluminium Cylinder Heads (Angled Plug)75cc Combustion Chamber. Suit S/B ChevAFR1050R1050These reasonably priced AFR 210cc i...

Bronze Valve GuidesSuit AFR LSX, SB Chev & SB Ford Heads, 8mm x .502" O.DAFR9051-1R9051-1For over FORTY-FIVE years Air Flow Research has been d...

Valve LocksBead Lock Suit 8mm Steem, 10°AFR9009-16R9009-16For over FORTY-FIVE years Air Flow Research has been defining technological leadership in...

Pac Dual Valve Springs, 1.270" 155-448lbs@1.810", .650" Lift R8019-16 AFR8019-16 Set of 16 PAC DUAL VALVE SPRINGS, 1.270"

Pac Racing Dual Spring1.270" O.D, 155lbs Seat Press, .650" Max LiftAFR8019-1R8019-1Spring Specifications: Outside Diameter:1.270" Middle Spring ID:...

Pac Dual Valve Springs, 1.290" 140-356lbs@1.810", .600" LiftSet of 16AFR8017-16R8017-16AFR Valve Springs are wound with the finest quality spring s...

Valve Spring 1.550" R8017-1 AFR8017-1 Suit Hydraulic Lifter Camshafts PAC DUAL VALVE SPRING, 1.290" AFR Valve Springs are wound with the finest qua...

Pac 1225 Valve Springs, 1.550" 250-765lbs@2.00", .800" Lift R8001-16 AFR8001-16 Set of 16 PAC1225 VALVE SPRINGS 1.55" OD

Pac Racing Dual Spring1.550" O.D, 250lbs Seat Press, .800" Max LiftAFR8001-1R8001-1Spring Specifications: Outside Diameter:1.550" Outer Spring ID: ...

Pac Dual Valve Springs, 1.550" 220-603lbs@1.950", .710" LiftSet of 16AFR8000-16R8000-16AFR Valve Springs are wound with the finest quality spring s...

S/S Intake ValveSuit SB Chev/SB Ford, 2.100 Head, 5.006 OAL, 8mm StemAFR7256-1R7256-1For over FORTY-FIVE years Air Flow Research has been defining ...

S/S Exhaust ValveSuit BB Chev, 1.880 Head, 5.450 OAL, 11/32" StemAFR7631-1R7631-1For over FORTY-FIVE years Air Flow Research has been defining tech...

S/S Intake Valve R7627-1 AFR7627-1 Suit BB Chev, 2.350 Head, 5.535 OAL, 11/32" Stem INTAKE VALVE BBC 2.350" For over FORTY-FIVE years Air Flow Rese...

S/S Intake ValveSuit BB Chev, 2.300 Head, 5.500 OAL, 11/32" StemAFR7626-1R7626-1For over FORTY-FIVE years Air Flow Research has been defining techn...

S/S Intake ValveSuit SB Chev/SB Ford, 2.080 Head, 5.006 OAL, 8mm StemAFR7255-1R7255-1For over FORTY-FIVE years Air Flow Research has been defining ...

S/S Exhaust ValveSuit SB Chev/SB Ford, 1.600 Head, 4.955 OAL, 8mm StemAFR7250-1R7250-1For over FORTY-FIVE years Air Flow Research has been defining...

S/S Intake ValveSuit SB Chev, 2.125 Head, 5.000 OAL, 8mm Ste mAFR7253-1R7253-1For over FORTY-FIVE years Air Flow Research has been defining technol...

S/S Exhaust ValveSuit SB Chev/SB Ford, 1.600 Head, 5.024 OAL, 8mm StemAFR7254-1R7254-1For use with SB Ford: 205cc and 225cc & SB Chev: 210cc, 2...

S/S Intake ValveSuit GM LS3, 2.165" Head, 5.195" OAL, 8mm StemAFR7214-1R7214-1For over FORTY-FIVE years Air Flow Research has been defining technol...

Exhaust Gasket Round Port - 2.130"Suit AFR BB Chev 18° & 24° HeadsAFR6858R6858For over FORTY-FIVE years Air Flow Research has been defining tec...

S/S Intake ValveSuit GM LS3, 1.600" Head, 5.200" OAL, 8mm StemAFR7212-1R7212-1For use with AFR LS3 260cc

Intake Manifold Gasket Set R6893 AFR6893 Suit BB Ford AFR Bullit 270cc-285cc-300cc Heads INTAKE GASKET SET, BBF BULLIT For over FORTY-FIVE years Ai...

Valve Stem Seals (16 pack) .530", 8mm R6612-16 AFR6612-16 Suit GM LS1 LS1 VALVE STEM SEALS .530" For over FORTY-FIVE years Air Flow Research has be...