Manley Ford 4.6L 37.5mm Diameter 117.35mm Length Race Master Exhaust Valves (Set of 8) - 11631-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

Manley Ford 4.6L 38.5mm Race Master & Extreme Duty Exhaust Valves *Set of 8* - 11633-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

Manley Ford 4.6L/5.4L Small Block SOHC Extreme Duty Exhaust Valves (Set of 8) - 11631B-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

Supertech 3v 37.5mm dia (stock stainless) exhaust valve

Ford Modular V8 4.6L 3v SOHC Exhaust valve 37.5 (std) x5.96x116.45mm/Undercut /25º/SS/ Blk. Nitrided/Triple groove/ Tip .380"  

Supertech 3v Stainless Exhaust valve, 2mm OS

Ford Modular V8 4.6L 3v SOHC Exhaust valve 39.5 (+2) x5.96x116.45mm/Undercut /25º/ INCONEL/Triple groove/ Tip .380"   These require new valve seats  

Supertech 3v Stainless intake valve, 1mm OS

Ford Modular V8 4.6L 3v SOHC Intake valve 35(+1) x5.98x117.35mm/Undercut/12º/SS/ Blk. Nitrided/Triple groove/Backcut.  

Supertech 3v Stainless intake valve, stock dia

Ford Modular V8 4.6L 3v SOHC Intake valve 34 x5.98x117.35mm/Undercut/12º/SS/ Blk. Nitrided/Triple groove/Backcut.