3237814|Exhaust and Intake Valve Kit for 1987 Chevrolet R20 Suburban 7.4L - VK163111XP115. This Exhaust and Intake Valve Kit fits the 1987 Chevrolet R20 Suburban equipped with the 7.4L engine. It delivers exceptional reliability and is essential for restoring factory engine performance.. 1987 Chevrolet R20 Suburban 7.4L Engine Exhaust and Intake Valve Kit - VK163111XP115 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