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...

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...

Supertech / Apocalypse RAISED Triple groove position 4V stainless 30mm Stainless Steel Exhaust valves

These valves allow for higher lift and MUST be used with Ford GT followers.  Stock followers will contact the spring retainer.Ford Modular V8 4.6 DOHC Exhaust valve 30x6.96x116.25mm/Undercut/SS/...

Supertech / Apocalypse INCONEL 4V 30mm Exhaust valves

Ford Modular V8 4.6L 4v DOHC Exhaust valve 30.50 x6.96x116.25mm/Undercut 6.65mm/30º/ INCONEL / 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 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 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 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...

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...

Supertech / Apocalypse 4V, stock Diameter stainless Steel Exhaust valves

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

Supertech 4v, 4.6/5.4 Inconel exh valves

These are for the most severe duty applications and are .5mm oversize.  We highly recommend that you combine these with upgraded exh seats. 4.6/5.4, 4v, DOHC Inconel Exhaust valves 30.50 x6...

Supertech 4v 4.6/5.4 Stainless Exhaust valves, .5mm OS

Exhaust valves: ST-28523N-2 Ford Modular V8 4.6L 4v DOHC Exhaust valve 30x6.96x116.25mm/Undercut 6.65mm/30º/SS/ Blk. Nitrided/Triple groove