Injector Adapter Kit (new style injectors -> early fuel rails), Performance OEM and Aftermarket Engineered Parts Global Leader In 300ZX 350Z 370Z G35 G37 Q50 Q60 - Z1 Motorsports
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Injector Adapter Kit (new style injectors -> early fuel rails)
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Injector Adapter Kit (new style injectors -> early fuel rails)

starstarstarstarstar 5/5 - (4 Reviews)
Fits models: 300ZX

Product Description

This adapter kit allows you to install new style Z32 pintleless fuel injectors into an early style Z32 fuel rail.

"Early style" fuel rails and injectors were used in the 1990-1992 Non Turbo, 1993 Convertible, and 1990-1994 Twin Turbo models.

"New style" injectors and fuel rails were used in 1993+ non turbos, 1994+ convertibles, and 1995+ Twin Turbos.

When replacing fuel injectors in an earlier model Z32 we recommend upgrading to the new style injectors.  They are more reliable and resistant to electrolysis caused by ethanol content often found in gasoline today.  Popular injector upgrades for twin turbos such as the Nismo yellow top 615cc and red top 740cc are only produced in the new style.  In order to install these performance injectors into a 1990-94 TT engine you'll need this kit or an aftermarket fuel rail. 

The adapter kit allows you to use new style injectors in an early style Z32 engine without having to machine the lower plenum or use expensive aftermarket fuel rails. You will need to clearance the number one injector bridge about 1/4" to fit with the new injector plugs.

Contents:
  • 6 Aluminum Injector Caps
  • 6 Aluminum Lower Injector Adapters
  • 6 Lower Injector Adapter O-Rings
  • 12 Stainless Steel Hex Head Bolts
  • 12 Stainless Steel Lock Washers
  • 1 Tube of Silicone Lubricant

Optional

  • 6 Injector Plugs (electrical connectors)

 The optional wiring harness connectors are necessary when installing new style injectors into a Z32 with a wiring harness that has the connectors for the early style injectors.  These kits include the o-rings required for installing the adapters but do not include upper and lower injector o-rings, or fuel rail to plenum seals.   The additional o-rings and seals needed can be found HERE and select the option at the bottom titled injector adapter supplement. 

Install manual can be viewed Here.

Available Options:

Please review the product description if you are unsure about any of the options below.

Include Injector Connectors:

Quantity:

List Price: $119.00
Special Price: $93.48
You Save: $25.52 (21%)
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Include Injector Connectors:
Injector Adapter Kit (new style injectors -> early fuel rails)
Injector Adapter Kit (new style injectors -> early fuel rails)
$93.48
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300ZX Fuel Injector O-ring Set
300ZX Fuel Injector O-ring Set
$23
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Questions our customers have asked

hi i purchased this kit from you and now i would like to know how to connect these new connector to the early style harness i cut the early plug out and i don't know which wire connects to which wire. Please advise thx
It doesn't matter which goes to which, just stagger & insulate the connections so they cannot short out easily.

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What our customers say

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starstarstarstarstar
Don
March 14, 2018
Quality product. Installation was straight forward an easy. Has all of the items necessary for adapting new style injectors. No leaks since installation, highly recommend this product.
starstarstarstarstar
Robert
December 8, 2014
I used these to upgrade the injectors in my VH45DE fuel rail to the new style 550cc. Installation was quick and easy!
starstarstarstarstar
Cliff
January 12, 2013
Kit comes with everything needed except injectors and someone to install um. Great quality parts. U can tell the quality in the fitment. Plus the new style injector swap is a great option over replacing defective old style units with the same unreliable junk.
starstarstarstarstar
Phil
March 11, 2012
This was a breeze to install. Used this kit with Jecs injectors and ashspec computer and worked great. One tip, once you have everything installed, remove your sparkplugs and turn on the ignition. Watch for fuel leaks outside of the injectors and it to leak inside the cylinder. If it leaks anywhere then you can just find it before starting your car. (good time to replace your spark plugs also) I have never had this problem on 2 sets but heard that some people have. Thank you Z1 Phil