Compare Ferrea Ferrea F1967P-1 Ferrea Subaru EJ20 36mm 5.97mm 104.44mm 19 Deg S-Flo Stock Competition Plus Intake Valve - Single Compare
Compare Ferrea Ferrea F1967P Ferrea Subaru EJ20 36mm 5.97mm 104.44mm 19 Deg S-Flo Stock Competition Plus Intake Valve - Set of 8 Compare
Compare Ferrea Ferrea F1966P-1 Ferrea Subaru EJ20 33mm 5.96mm 104.75mm 25 Deg Flo +1mm Super Alloy Comp Plus Exhaust Valve - Single Compare
Compare Ferrea Ferrea F1966P Ferrea Subaru EJ20 33mm 5.96mm 104.75mm 25 Deg Flo +1mm Comp Plus Exhaust Valve - Set of 8 Compare
Compare Ferrea Ferrea F1965P-1 Ferrea Subaru EJ20 37mm 5.97mm 104.44mm 19 Deg S-Flo +1mm Competition Plus Intake Valve - Single Compare
Compare Ferrea Ferrea F1965P Ferrea Subaru EJ20 37mm 5.97mm 104.44mm 19 Deg S-Flo +1mm Competition Plus Intake Valve - Set of 8 Compare
Compare Ferrea Ferrea F1964P-1 Ferrea GM ECOTEC 36.1mm 5.97mm 102.5mm 20 Deg S-Flo +1mm Competition Plus Intake Valve - Single Compare
Compare Ferrea Ferrea F1964P Ferrea GM ECOTEC 36.1mm 5.97mm 102.5mm 20 Deg S-Flo +1mm Competition Plus Intake Valve - Set of 8 Compare
Compare Ferrea Ferrea F1963P-1 Ferrea GM ECOTEC 35.1mm 5.97mm 102.5mm 20 Deg S-Flo Stk Competition Plus Intake Valve - Single Compare
Compare Ferrea Ferrea F1963P Ferrea GM ECOTEC 35.1mm 5.97mm 102.5mm 20 Deg S-Flo Stk Competition Plus Intake Valve - Set of 8 Compare
Compare Ferrea Ferrea F1962P-1 Ferrea GM ECOTEC 31.1mm 5.96mm 101.5mm 22 Deg Flo +1mm Competition Plus Exhaust Valve - Single Compare
Compare Ferrea Ferrea F1962P Ferrea GM ECOTEC 31.1mm 5.96mm 101.5mm 22 Deg Flo +1mm Competition Plus Exhaust Valve - Set of 8 Compare
Compare Ferrea Ferrea F1961P-1 Ferrea GM ECOTEC 30.1mm 5.96mm 101.5mm 22 Deg Flo Stock Competition Plus Exhaust Valve - Single Compare
Compare Ferrea Ferrea F1961P Ferrea GM ECOTEC 30.1mm 5.96mm 101.5mm 22 Deg Flo Stock Competition Plus Exhaust Valve - Set of 8 Compare
Compare Ferrea Ferrea F1960P-1 Ferrea Ford Zetec ZX3 33mm 5.5mm 25 Deg S-Flo +1mm Competition Plus Intake Valve - Single Compare
Compare Ferrea Ferrea F1960P Ferrea Ford Zetec ZX3 33mm 5.5mm 25 Deg S-Flo +1mm Competition Plus Intake Valve - Set of 8 Compare
Compare Ferrea Ferrea F1959P-1 Ferrea Ford Zetec ZX3 28.96mm 5.500mm 97.16mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Single Compare
Compare Ferrea Ferrea F1959P Ferrea Ford Zetec ZX3 28.96mm 5.500mm 97.16mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8 Compare
Compare Ferrea Ferrea F1958P-1 Ferrea Honda H22A1/A4 30.5mm 5.48mm 107.1mm 22 Deg Flo +.5mm Super Alloy Exhaust Valve - Single Compare
Compare Ferrea Ferrea F1958P Ferrea Honda H22A1/A4 30.5mm 5.48mm 107.1mm 22 Deg Flo +.5mm Super Alloy Exhaust Valve - Set of 8 Compare