US$ 24.00
60 mm Journal
Bolts onto 360 cid engines with an externally balanced crankshaft using a 10-inch converter bolt pattern
521lb/in front spring rate
1971-1972 Chevrolet Biscayne CID 305
Holley EFI ECU & Harness Kit - GM TPI/Holley EFI Stealth Ram Hose Assembly Lubricant 60 mm JournalLooking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls