Jeep Cherokee 4.0 L6 GAS FI -cc, Gap 0.035" 1987 - 1990. Jeep Comanche 4.0 L6 GAS FI -cc, Gap 0.035" 1987 - 1990. Jeep Wagoneer 4.0 L6 GAS FI -cc, Gap 0.035" 1987 - 1990. Bentley Arnage 6.8 V8 GAS FI 6748cc, Gap 0.036" 2006 - 2009.