Industrial PDM-DMXAFS1 Alternate Fire Billet Race Stage 1 Camshaft w/ Key | 01-16 GM 6.6L Duramax

Duramax Alternate Firing Billet Race Camshaft w/ Key

Features:

     - 1000+hp Capable

     - Alternate Firing Order (relieves stress on crankshaft)

     - Billet For Ultimate Strength

     - Keyed To Prevent Cam Gear Slipping

     - Requires .085 Valve Reliefs 

     - Requires 95# Valve Springs