Built for reliable ignition system service and distributor maintenance, this component is engineered to support dependable operation and stable ignition performance in compatible applications.Its durable construction and precision-engineered fitment help maintain proper distributor function while supporting reliable spark delivery and long-term ignition system reliability.Designed for compatible ignition setups, this distributor component is intended to provide dependable service life and consistent ignition system operation.COMPATIBLE WITHCOMPATIBLE WITHCHEVROLET BIG BLOCK V8 GEN. II (MARK IV)• 7.4 L / 454 in3CHEVROLET BIG BLOCK V8 GEN. V• 7.4 L / 454 in3CHEVROLET SMALL BLOCK V8 GEN. I• 5.0 L / 305 in3• 5.7 L / 350 in3GM 90° V6• 4.3 L / 262 in3NOTES:Direct replacement for the module from the computer-controlled OEM distributor from 1985-1997 (TSP JM6651 & JM6652).Was only used in one-ton G and P series vans for 1996 and 1997.Was not used in Vortec applications.COMMON VEHICLE APPLICATIONSClassic V8 ignition upgradesStreet rod and muscle car ignition systemsDistributor service and ignition refresh projectsNOTESVerify wiring polarity, ignition box compatibility, and mounting style before installation.COMMON VEHICLE APPLICATIONS• Chevrolet• Pontiac• Cadillac• GMC