Manley Chevrolet LS 4.000in Stroke Lightweight Pro Series Crankshaft Manley Chevrolet Big Block H Beam Connecting Rod Set 6.385 In. Length Eagle Forged 4340 Steel Crankshaft Chevy LS9 4.000in. Stroke w LS9 Re Shop High Performance Chevrolet LS Piston 4.165 IN Bore 1.315 IN Height. Our signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability. This Part Fits: Year Make Model Submodel 2004 2007 Cadillac CTS V 2007 2008 Cadillac Escalade Base 2007 2008 Cadillac Escalade ESV Base 2008 Cadillac Escalade ESV Platinum 2007 2008 Cadillac Escalade EXT Base 1998 2002 Chevrolet Camaro Z28 1997 2008 Chevrolet Corvette Base 2001 2004,2006 2008 Chevrolet Corvette Z06 2005 2006 Chevrolet SSR Base 2006 2008 Chevrolet Trailblazer SS 2007 2008 GMC Yukon Denali 2007 2008 GMC Yukon XL 1500 Denali 2008 Hummer H2 Base 1998 2002 Pontiac Firebird Formula 2004 2006 Pontiac GTO Base