Air Flow Research

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...

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

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

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

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

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...

Valve Stem Seal .530" x 8mm R6612-1 AFR6612-1 Suit S/B Chev, LS1, 289-351W LS1 VALVE STEM SEAL .530" For over FORTY-FIVE years Air Flow Research ha...

Stud Girdle Adjusting Nuts (Intake)Suit BB Chev (Each)AFR6215-1R6215-1For over FORTY-FIVE years Air Flow Research has been defining technological l...

Stud Girdle Adjusting Nut, 7/16"Suit S/B Chev, Ford 429-460 & B/B ChevAFR6214-1R6214-1For over FORTY-FIVE years Air Flow Research has been defi...

185cc Outlaw Aluminium Cylinder HeadsCompetition Package 58cc Combustion Chamber. Suit Small Block FordAFR1426-716R1426-716If you need the world's ...