CS3130
All Timing Chain Sets are made from billet steel, have 9 Keyways (unless otherwise stated) and have a heat treated crank sprocket.
Red Series: standard billet steel set 9 Keyway
Gold Series: premium billet steel set with all sprockets nitrided by better durability and longer life. 9 Keyway
Blue Series: economy sets for quality but with a budget, Line Bore Kits available in .002″, .005″, .008″ and .010″.