Exhaust Manifold Header for Chevy GMC 5.0L 5.7L V8 C/K C1500 C2500 K2500 1988-1997

Item Description: Outlet Size: 2" Primary Tube Size: 1.75" Number of O2 Sensor Locations: 1 Head Flange Thickness: 7/16" Outlet Flange Thickness: 3/8" Fitment:  1988-1997 Chevy/GMC C1500 Pickup 305 5.0L and 350 5.7L Engines(Except  1997,1992 GMC C1500 5.7,1993 Chevrolet C1500 Silverado 5.0,1996 chevrolet c1500 extended cab 5.7,1989 Chevrolet C1500 2door 5.7L，1994 Chevrolet C1500 Base Standard Cab Pickup 2-Door 5.7L,  1990 Chevrolet C1500 Silverado Standard Cab Pickup 2-Door 5.7L ，1996 Chevrolet C1500 4.3) 1988-1995 Chevy/GMC K1500 Pickup 305 5.0L and 350 5.7L Engines(except 1993 Chevy K1500, 1994 Chevrolet K1500 Base Extended Cab Pickup 2-Door 5.7L，1997 GMC K1500,1989 Chevrolet K1500 Silverado Standard Cab Pickup 2-Door 5.7L) 1988-1995 Chevy/GMC C2500 Pickup 305 5.0L and 350 5.7L Engines 1988-1995 Chevy/GMC K2500 Pickup 305 5.0L and 350 5.7L Engines 1992-1994 Chevy Blazer 350 5.7L Engines 1992-1995 Chevy/GMC Suburban 350 5.7L Engines 1989-1995 GMC Sierra 305 5.0L and 350 5.7L Engines 1992-1995 Chevy Tahoe 350 5.7L Engines 1992-1995 GMC Yukon 350 5.7L Engines