4.6 2V PI intake and Exhaust valve set

This includes a full set of 8, stainless  intake and 8 exhaust valves in 45.5mm and 37mm diameters.  These only fit 2V PI heads.  They utilize 3 groove stock locks and are caompatible with stock or aftermaket retainers.  Compared...

SI bronze, 2v/4v valve guides, sold in sets of 16

SI bronve valve guides for 4.6 and 5.4, 2v and 4v engines. These are stock length and designed to ensure maximum airflow and strength.  The are made of premium grade manganese-bronze alloy.  The guides are compatible with stock style valve...