Deatschwerks P1-P2 Sidefeed Injector Adapter Kit 8 cyl

Injector Adapters

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Part #: P1-P2-8

The DeatschWerks P1-P2 adapter kit is an easy way to run the newer and more reliable phase2 injectors in an older phase1 fuel rail. No longer do you have to source a new fuel rail, and remove and machine your intake manifold. This adapter kit is commonly used for Infiniti Q45 (8-cyl). For more information or to find out if this is an option for you call or email one of our sales associates.

The kit includes everything you need for the conversion:

  • Hard anodized CNC aluminum lower fuel rail adapters for e85 compatibility
  • CNC aluminum upper fuel rail caps with stainless steel hex head bolts
  • Electrical connectors with pre-tinned and stripped 6" wire leads for easy solder-in
  • Easy to follow instruction guide with pictures
This item is non application specific. Please verify compatibility before purchase. May require some modification for proper installation.


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

Deatschwerks P1-P2 Sidefeed Injector Adapter Kit 8 cyl
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