3243521|Exhaust and Intake Valve Kit for 2015 Chevrolet Express 3500 6.6L - VK323220XP20. Replace your original Exhaust and Intake Valve Kit with this direct-fit unit for the 2015 Chevrolet Express 3500 6.6L. Trusted by mechanics and DIYers alike, it helps maintain optimal engine operation and performance.. 2015 Chevrolet Express 3500 6.6L Engine Exhaust and Intake Valve Kit - VK323220XP20 Also fits the following vehicles: 2011 Chevrolet Express 3500 6.6L Engine Exhaust and Intake Valve Kit, 2012 Chevrolet Express 3500 6.6L Engine Exhaust and Intake Valve Kit, 2013 Chevrolet Express 3500 6.6L Engine Exhaust and Intake Valve Kit, 2014 Chevrolet Express 3500 6.6L Engine Exhaust and Intake Valve Kit, 2015 Chevrolet Express 3500 6.6L Engine Exhaust and Intake Valve Kit, 2009 Chevrolet Express 4500 6.6L Engine Exhaust and Intake Valve Kit, 2010 Chevrolet Express 4500 6.6L Engine Exhaust and Intake Valve Kit, 2011 Chevrolet Express 4500 6.6L Engine Exhaust and Intake Valve Kit, 2012 Chevrolet Express 4500 6.6L Engine Exhaust and Intake Valve Kit, 2013 Chevrolet Express 4500 6.6L Engine Exhaust and Intake Valve Kit, 2014 Chevrolet Express 4500 6.6L Engine Exhaust and Intake Valve Kit, 2015 Chevrolet Express 4500 6.6L Engine Exhaust and Intake Valve Kit, 2007 Chevrolet Silverado 2500 HD Classic 6.6L Engine Exhaust and Intake Valve Kit, 2001 Chevrolet Silverado 2500 HD 6.6L Engine Exhaust and Intake Valve Kit, 2002 Chevrolet Silverado 2500 HD 6.6L Engine Exhaust and Intake Valve Kit