Adapters, 4.6 4v intake to 5.4 4v engine

These adpaters allow any 4.6 4v, C head intake manifold to be installed on any 5.4 engine with Navigator or 4.6 C heads.  They have recessed holes for the mounting bolt and hardware is included. Gaskets are not included. The price is for a pair and...

Apocalypse Performance/Billet Speedworks , Coyote Main Caps

These billet main caps offer the strength needed at BIG power, are compatible with the available main studs and side bolts, and only require line honing for use. No additional block machining required.  

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 4.6/5.4 .5mm oversize stainless intake valves

This includes 16, 37.5mm  intake 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-2 Ford...

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.

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.