Fits stock and stock replacement camshafts and conversion camshaft upgrades on '99-'06 engines to the hydraulic chain tensioner systemConversion camshaft use the late '07-'17 style cam plate and oil pumpAlignment washers are used to align the rear camshaft sprocket with the crank sprocket to achieve correct chain alignmentKit includes front cam thrust washer 0.100'', rear cam sprocket alignment washers 0.110'', 0.120'', 0.130'', 0.140'' and 0.150''