3237817|Exhaust and Intake Valve Kit for 1988 Chevrolet R20 7.4L - VK163111XP118. Ensure your 1988 Chevrolet R20 7.4L runs smoothly with this high-quality Exhaust and Intake Valve Kit. Designed for precise fitment and engineered for durability, it's the ideal choice for engine maintenance or a full rebuild.. 1988 Chevrolet R20 7.4L Engine Exhaust and Intake Valve Kit - VK163111XP118 Also fits the following vehicles: 1991 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1992 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1993 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1994 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1995 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1996 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1997 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1998 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1999 Chevrolet P30 7.4L Engine Exhaust and Intake Valve Kit, 1987 Chevrolet R20 Suburban 7.4L Engine Exhaust and Intake Valve Kit, 1988 Chevrolet R20 Suburban 7.4L Engine Exhaust and Intake Valve Kit, 1987 Chevrolet R20 7.4L Engine Exhaust and Intake Valve Kit, 1988 Chevrolet R20 7.4L Engine Exhaust and Intake Valve Kit, 1989 Chevrolet R2500 Suburban 7.4L Engine Exhaust and Intake Valve Kit, 1990 Chevrolet R2500 Suburban 7.4L Engine Exhaust and Intake Valve Kit