MAHLE Original Chevrolet Silverado 2500 Hd 04-01 Head Set 2018-chevrolet-city-express-esi2000635 It doesn't get any cooler

It doesn't get any cooler than Techni-Cooler

Exclusive 'low profile' design provides maximum clearance for lowered vehicles

With 0-1500psi Pressure Gauge

The 100% stainless steel construction of exhaust kit #19546 is covered by MagnaFlow's limited lifetime construction warranty

MAHLE Original Chevrolet Silverado 2500 Hd 04-01 Head Set 2018-chevrolet-city-express-esi2000635 It doesn't get any coolerCylinder Head Bolts Not Included; Cylinder Head Bolt Replacement Recommended This Part Fits: Year Make Model Submodel 2001 2004 Chevrolet Silverado 2500 HD Base 2001 2004 Chevrolet Silverado 2500 HD LS 2001 2004 Chevrolet Silverado 2500 HD LT 2004 2005 Chevrolet Silverado 2500 HD WT 2001 2004 Chevrolet Silverado 3500 Base 2001 2004 Chevrolet Silverado 3500 LS 2001 2004 Chevrolet Silverado 3500 LT 2004 Chevrolet Silverado 3500 WT 2002 2004 GMC Sierra