3238268|Exhaust and Intake Valve Kit for 1991 GMC Jimmy 5.7L - VK163125XP297. Ensure your 1991 GMC Jimmy 5.7L 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.. 1991 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit - VK163125XP297 Also fits the following vehicles: 1991 GMC G3500 5.7L Engine Exhaust and Intake Valve Kit, 1992 GMC G3500 5.7L Engine Exhaust and Intake Valve Kit, 1993 GMC G3500 5.7L Engine Exhaust and Intake Valve Kit, 1994 GMC G3500 5.7L Engine Exhaust and Intake Valve Kit, 1995 GMC G3500 5.7L Engine Exhaust and Intake Valve Kit, 1985 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit, 1986 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit, 1987 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit, 1988 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit, 1989 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit, 1990 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit, 1991 GMC Jimmy 5.7L Engine Exhaust and Intake Valve Kit, 1985 GMC K1500 Suburban 5.7L Engine Exhaust and Intake Valve Kit, 1986 GMC K1500 Suburban 5.7L Engine Exhaust and Intake Valve Kit, 1992 GMC K1500 Suburban 5.7L Engine Exhaust and Intake Valve Kit