Compatible with:Available for 4 pin GM Alternators.Available for 4 pin CS130 style GM Alternators and 2 pin DR44 style GM Alternators
Product Description:60″ length from the power tap connector to the alternator and flex fuel connections
Pre-Installed Wiring:Includes all wiring pre-installed for proper charging of the alternator and reading of the Flex Fuel sensor with Holley ECUs.ALT/FLEX combo harness.
Note:alt plug will only work with 4 pin alternator *found on most older trucks and cars