Ferrea Nissan VG30DETT 30.5mm 6mm 103.65mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 12 F1850P

Ferrea Nissan VG30DETT 35mm 6mm 103.13mm 25 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 12 F1848P

Ferrea Mitsubishi 4G63/4G63T 34mm 6.57mm 109.7mm 20 Deg S-Flo Stk Comp Plus Intake Valve - Set of 8 F1826P

Ferrea Mitsubishi 4G63/4G63T 30.5mm 6.55mm 22 Deg Flo Stk Comp Plus Exh Valve - Set of 8 F1825P

Ferrea Honda H22A1/A4 30mm 5.48mm 107.1mm 22 Deg Flo Stock Super Alloy Exhaust Valve - Set of 8 F1823P

Ferrea Chevrolet LS7 1.615in 0.313in 5.227in 24 Deg S-Flo Rad Grv S-Alloy Exhaust Valve - Set of 8 F1597P

Ferrea VW 1.8T 20V 26.9mm 5.97mm 105.1mm 24 Deg S-Flo Stk Grve Comp Plus Intake Valve - Set of 12 F1556P

Ferrea Audi/VW 1.8T 20V 29.9mm 5.96mm 103.92mm 26 Deg Flo Stk Trip Grv Comp Plus Exh Valve- Set of 8 F1554P

Ferrea BMW M50 30.5mm 5.96mm 106mm 25 Deg Flo Stk Trpl Grv Comp Plus Exh Valve - Set of 12 F1552P

Ferrea BMW M50 32.95mm 5.97mm 106.1mm 12 Deg S-Flo Stk Trpl Grv Comp Plus Int Valve - Set of 12 F1550P

Ferrea Acura K20 35mm 5.47mm 109.30mm 20 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8 F1548P

Ferrea Acura K20 30mm 5.45mm 109.15mm 30 Deg Flo Dish Head Stock Comp Plus Exhaust Valve - Set of 8 F1546P

Ferrea Dodge Neon 2.0L 34.75mm 5.93mm 111.75mm 14 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8 F1545P

Ferrea Dodge Neon 2.0L 30.5mm 5.9mm 109.80mm 24 Deg Tulip Stock Comp Plus Exhaust Valve - Set of 8 F1544P

Ferrea Subaru EJ20 36mm 5.97mm 104.6mm 19 Deg S-Flo Stk Competition Plus Intake Valve - Set of 8 F1520P

Ferrea Subaru EJ20 33mm 5.96mm 104.75mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8 F1519P

Ferrea Subaru EJ20 32mm 5.96mm 104.75mm 25 Deg Flo Stock Super Alloy Exhaust Valve - Set of 8 F1514P

Ferrea Toyota 2JZGE/2JZGTE 29mm 5.98mm 99.1mm 22 Deg Flo Stock Super Alloy Exhaust Valve - Set of 12 F1499P

Ferrea Toyota 2JZGE/2JZGTE 33.6mm 5.98mm 98.55mm 20 Deg S-Flo Stk Comp Plus Intake Valve - Set of 12 F1498P

Ferrea Toyota 2JZGE/2JZGTE 30mm 5.98mm 99.1mm 22 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 12 F1497P

Ferrea Toyota 2JZGE/2JZGTE 34.6mm 5.98mm 98.55mm 20 Deg S-Flo +1mm Comp Plus Intake Valve- Set of 12 F1496P

Ferrea Mitsubishi 4G63/4G63T 31.5mm 6.55mm 20 Deg Flo +1mm Comp Plus Exh Valve - Set of 8 F1454P

Ferrea Mitsubishi 4G63/4G63T 35mm 6.57mm 109.7mm 20 Deg S-Flo +1mm Comp Plus Intake Valve - Set of 8 F1452P

Ferrea Acura/Honda B16A1/B17A1 28mm 5.45mm 102.5mm 25 Deg Flo Stock Super Alloy Exh Valve - Set of 8 F1449P

Ferrea Honda B17A1/B18C1/C3 33mm 5.47mm 25 Deg S-Flo Stock Comp Plus Intake Valve - Set of 8 F1448P

Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) 12349-8

Manley Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) 12348-8

Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) 12347-8

Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) 12345-8

Manley 2011+ Chrysler/Dodge 6.4L Hemi w/ Triple Groove (1.654) Race Master Exhaust Valves (Set of 8) 12331-8

Manley Chrysler Hemi 6.4L (2.140) Race Flo Intake Valve (Set of 8) 12330B-8

Manley 2011+ Chrysler / Dodge 6.4L Hemi w/ Triple Groove (2.140) Race Flo Intake Valves (Set of 8) 12330-8

Manley Chrysler Hemi 6.1L w/ Triple Groove 2.080in Race Flo Intake Valves (Set of 8) 11668-8

Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) 11661-8

Manley up to 2010 Dodge Viper V-10 2.020 Dia Race Master Intake Valves (Set of 10) 11644-10

Manley up to 2010 Dodge Viper V-10 1.600 Dia Race Master Exhaust Valves (Set of 10) 11643-10

Manley Ford Coyote 5.0L DOHC Exhaust 32mm Race Master Valves w/Bead Loc Groove (Set of 8) 11627B-8

Manley Ford Coyote 5.0L DOHC Race Master 32mm Head 5.96mm Stem 4.274 Length (Set of 8) 11627-8

Manley Ford Coyote 5.0L DOHC Race Master 38mm Head .5.96mm Stem 4.722 Length (Set of 8) 11626-8

Manley Ford Coyote 5.0L DOHC 4 Valve 31mm Triple Groove Race Master Exhaust Valves (Set of 8) 11623-8

Manley Ford Coyote 5.0L DOHC 4 Valve 37mm Triple Groove Race Master Intake Valves (Set of 8) 11622-8

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) 11621-8

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) 11620-8

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 37mm Race Master Intake Valves 11616-8

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 30mm Race Master Exhaust Valves 11615-8

Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.550 Head Diameter Race Flo Exhaust Valves 11361-8

Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 2.000 Head Diameter Race Flo Intake Valves 11360-8

Manley Subaru WRX EJ205/STi EJ257 33mm Race Master Exhaust Valves (Set of 8) 11171-8

Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Race Master Valves 11155-8

Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 37mm Stainless Race Flo Valves 11140-8