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  Howell Engine Developments, Inc. :: GM Northstar Products



The Cadillac Northstar V8 has been celebrated as one of the most technologically advanced engines ever produced. Smooth, powerful and loaded with innovation, this engine single handedly put Cadillac back on the performance map after more than a 50-year absence.

The Northstar is a smooth operator with a polished look to match its high class performance. The last thing you want is a mess of ugly wires and cheap connectors distracting from your carefully detailed Street Rod or Cadillac engine bay.

Howell’s Northstar harnesses have injector branches that follow the factory layout and the highest quality loom and bindings for an impeccably finished installation. The required pre-programmed GM ECM can be mounted inside the vehicle and hidden out of sight and out of mind.

And don’t think our Northstar harnesses are just for looks. They feature clearly marked Packard Weatherpack connectors that make installation a breeze. Hand built using GM/Packard high temperature wire and made specifically for your hot rod chassis or OE replacement application, these harnesses match your advanced Northstar engine step for step in performance and reliability.

Howell also has all the Northstar SFI support accessories you need including sensors, fuel pumps, air filters and service manuals. Howell Northstar products are fully compatible with GM diagnostic tools and detect standard GM trouble codes, giving you quick answers if issues arise.

Smooth EFI installation for the smooth, powerful Northstar V8. Clearly, Howell has the Cadillac of Northstar SFI solutions.

GM Northstar Products

NORTHSTAR CAL-PROM: 1994-95 Cadillac
NORTHSTAR ECM: 1994-95 Cadillac
NORTHSTAR HARNESS: 1994-98 Cadillac V8 w/ 4T80 Transmission
NORTHSTAR HARNESS: 1994-98 Cadillac V8 w/o Electronic Transmission
NORTHSTAR HARNESS: 1994-98 Cadillac V8 w/o Electronic Transmission (CLON)
 
 

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