2007-2014 GT500, Stainless exhaust valves, .5mm oversize

These only fit 2007-2014 GT500 and Cobra R cylinder heads.Diamater: 1.286 (+.1/2mm)Stem Diamater:  7mmOverall length: 4.636"Use 3 groove valve locksManufactured from premium race-proven stainless steel alloys, most intake valves are made of EV8 and...

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

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part...

Manley Ford 4.6L DOHC (4 Valve) Triple Groove 31mm Race Master Exhaust Valves - 11617-8

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part...

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

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part...

Supertech / Apocalypse 4v 4.6/5.4 37mm stainless

This includes 16, 37mm intake valves for all 4.6 and 5.4 4v engines expect for those with Cobra R and GT/GT500 heads.  These are stock length for stock base circle camshafts and accept the 3 groove, stock valve locks.Intake valves: ST-28522N Ford...

Supertech / Apocalypse 4v 4.6/5.4 38mm (1mmOS) diameter stainless intake valves

This includes 16, 38mm intake valves for all 4.6 and 5.4 4v engines expect for those with Cobra R and GT/GT500 heads.  These are stock length for stock base circle camshafts and accept the 3 groove, stock valve locks.Intake valves: ST-28522N Ford...

Supertech / Apocalypse 4v 4.6/5.4 39mm (2mmOS) diameter stainless intake valves

This includes 16, 39mm intake valves for all 4.6 and 5.4 4v engines expect for those with Cobra R and GT/GT500 heads.  These are stock length for stock base circle camshafts and accept the 3 groove, stock valve locks.Intake valves: ST-28522N Ford...

Supertech / Apocalypse 4v 4.6/5.4 stock diameter stainless intake valves

These allow for higher lifts and must be used with Ford GT or FR500 cam followers.Ford Modular V8 4.6 DOHC Intake valve 37x6.98x135.50mm/Undercut/SS/ Blk. Nitrided/Backcut/ RAISED TRIPLE GROOVE POSITION/ Tip 0.492"

Supertech / Apocalypse 4V stainless 30.5mm (.5mm OS)Steel Exhaust valves

Stainless Steel Exhaust valves, stock diameter, 30x6.96x116.25mm/Undercut 6.65mm/30º/SS/ Blk. Nitrided/Triple groove.

Supertech / Apocalypse 4V stainless 31mm (1mm OS)Steel Exhaust valves

Stainless Steel Exhaust valves, stock diameter, 31x6.96x116.25mm/Undercut 6.65mm/30º/SS/ Blk. Nitrided/Triple groove.

Supertech / Apocalypse 4V stainless 32mm (2mm OS)Steel Exhaust valves

Stainless Steel Exhaust valves, stock diameter, 32x6.96x116.25mm/Undercut 6.65mm/30º/SS/ Blk. Nitrided/Triple groove.

Supertech / Apocalypse 4V, 30mm exh valves stainless steel

Stainless Steel Exhaust valves, stock diameter, 30x6.96x116.25mm/Undercut 6.65mm/30º/SS/ Blk. Nitrided/Triple groove.