Product Description
This includes 16, 37mm intake and 16, 30mm exhaust valves for all 4.6 and 5.4 4v engine 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 Modular V8 4.6L 4v DOHC Intake valve 37x6.98x135.50mm/Undercut 6.25mm/20º/SS/ Blk. Nitrided/Triple groove/Backcut.
Exhaust valves: ST-28523N Ford Modular V8 4.6L 4v DOHC Exhaust valve 30x6.96x116.25mm/Undercut 6.65mm/30º/SS/ Blk. Nitrided/Triple groove