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Northstar Adapter Plate

Air Intake - Northstar Adapter Plate
Air Intake - Northstar Adapter Plate
Air Intake - Northstar Adapter Plate
Air Intake - Northstar Adapter Plate

This allows you to use the 75mm inlet/outlet 2000+ Northstar throttle body with a L67(Gen3) or L32(Gen5) supercharger. The dual pattern design allows for the lightest, cleanest looking adaptor plate on the market.

The Gen 3 supercharger has a 72mm inlet so it is recommended to port the inlet to 75mm to get all of the gains from the larger throttlebody. Then Gen 5 supercharger inlet is already 75mm so no additional porting is required.

Gen 3 superchargers come on the 1996-2005 Series II 3800 engines

Gen 5 superchargers come on the 2004-2007 Series III 3800 engines (04+ "Grand Prix" only)

Includes:

  • Billet aluminum adapter plate
  • Stainless socket cap bolts

75mm bore.

MAF and TPS adapters sold separately.

Air Intake - Northstar Adapter Plate
Air Intake - Northstar Adapter Plate
Air Intake - Northstar Adapter Plate
Air Intake - Northstar Adapter Plate
Customer Reviews
4.5 Based on 10 Reviews
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Filter Reviews:
JP
03/30/2021
John P.
United States United States
Northstar Adapter Plate

Excellant workmanship and finish.Good quality.

PR
05/15/2019
Patrick R.
Exacting Fit

This is the second adapter plate that I have purchased from ZZP, and it is machine perfect. Just needs a water/methanol injector port, at least as an option.

JC
06/11/2016
Jon C.
Satisfied

Fit right and arrived on time, an included gasket would be nice

JC
06/11/2016
Jon C.
Satisfied

Fit right and arrived on time, an included gasket would be nice

JO
03/13/2016
Justin O.
Good product

Not much to say other than that it's a very strait forward and easy install, everything lined up perfectly.