SHIFT ASSIST MODULE. For service use 987738 for 1990 & prior 5.0 & 5.7 L Chevy engines and 7.5L Ford engines. Use 987739 for 1990 & prior 5.0 & 5.8L Ford engines.
SHIFT ASSIST MODULE. For service use 987738 for 1990 & prior 5.0 & 5.7 L Chevy engines and 7.5L Ford engines. Use 987739 for 1990 & prior 5.0 & 5.8L Ford engines.