3237789|Exhaust and Intake Valve Kit for 1991 Chevrolet K3500 7.4L - VK163111XP90. Compatible with the 1991 Chevrolet K3500 7.4L, this Exhaust and Intake Valve Kit provides precise alignment and long-term wear resistance. Great for daily drivers, restorations, or preventative maintenance.. 1991 Chevrolet K3500 7.4L Engine Exhaust and Intake Valve Kit - VK163111XP90 Also fits the following vehicles: 1992 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1993 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1994 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1995 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1996 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1997 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1998 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1999 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 2000 Chevrolet K2500 7.4L Engine Exhaust and Intake Valve Kit, 1985 Chevrolet K30 7.4L Engine Exhaust and Intake Valve Kit, 1986 Chevrolet K30 7.4L Engine Exhaust and Intake Valve Kit, 1988 Chevrolet K3500 7.4L Engine Exhaust and Intake Valve Kit, 1989 Chevrolet K3500 7.4L Engine Exhaust and Intake Valve Kit, 1990 Chevrolet K3500 7.4L Engine Exhaust and Intake Valve Kit, 1991 Chevrolet K3500 7.4L Engine Exhaust and Intake Valve Kit