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10-56491-H
Fits 1997-2007 GM Gen III LS1 and Gen IV LS2 & LS3 engines with 2005-2008 two-piece Thermostat assembly (GM PN 12600171)
street rod or demanding ET-bracket race car
Street/Strip 40 Series Heavy Duty Sprag Assembly Steel Turbine Spline Spot Brazed Fins Excellent for weekend racing and high performance street use
250” longer fuel line Material added to key areas (needle & seat
Super 7° Chrome Moly Valve Locks (Set) ISKVL-600 Door Handles 10-56491-HSuper 7 Chrome Moly Valve Locks (Set)For 5 16" Valve Stem Applications, STD Height ISKVL 600 KVL 600 Designed for maximum endurance in roller cammed Oval Track, Road Racing and Drag Racing applications where maximum locking force with the valve stem is required. These heavy duty valve locks are also machined from 4140 Chrome Moly Bar Stock and heat treated like our standard 7. Super 7 Valve Locks incorporate a ground finish on the O. D. which allows a
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