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The 192-200-109 LSA .338"intake/.353"exh. was designed for customers with engines that have a 66mm or larger single or primary, that are looking for the most broad power curve, and do not want to give up any efficiency. It will really help take advantage of heads that have been ported that flow much better at higher lifts. The duration at .250" and higher is amazingly different than OEM cams.
Below is a guide to help you decide if the 192-200-109 will fit in your engine the following measurements were made with a stock cam in a stock engine and a 188-194-109 in the same stock engine. For reference the 192-200 has .011" more intake lift and .006" more exhaust lift at the valve, at TDC, with a stock rocker than does the 188-194-109. Use this when you are plugging in your valve face depth and piston protrusion to help you find your clearance.
Piston to valve clearance with an "a" headgasket and a stock cam with .012" piston protrusion(OEM), and valve depth .025" intake, .035" exhaust(also OEM)
188-194-109LSA with .012" lash and "a" head gasket
.012" piston protrusion
valve depth, .025" intake .035" exhaust
If you do not have enough, room try one of these other head gaskets