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Product Description

Wiring Specialties now carries coil-on-plug "Smart Coil" GM coil conversions for the RB25DET S1/S2 engines. This is a major upgrade in spark performance over the stock ignition system.

NOT AVAILABLE FOR RB25DET NEO Engines - sorry will not fit!!!

The stock Nissan coils are getting old, replacements are expensive and usually need to be shipped.   LS Smart Coils can usually be found easily in local parts stores.   Eliminate potential downtime waiting for expensive Nissan replacement coils to arrive.

This system eliminates the ignitor and replaces the stock coilpacks completely. Installation is plug-and play in the stock location with a Wiring Specialties PRO Main Engine Harness with the Add LS2/LQ9 Coilpack Conversion Harness Option selected.

Please NOTE: 

  • This conversion setup MUST be used with the Wiring Specialties PRO RB Main Engine Harness with the addition of the Wiring Specialties LSx Smart Coil Conversion RB Coilpack Harness option.   It WILL NOT WORK with the stock OEM Factory engine & coil pack harnesses.
  • Use with an aftermarket ECU is recommended and is 100% plug-n-play.


This Kit Includes:

  • Used, Cleaned, Tested and Shielded D585 GM Heat Sink Smart Coils
  • Carbon Fiber upper brackets
  • G10 lower heat shield Brackets
  • Hand machined/knurled spacers and Beauty washers-Custom colors are available.
  • Stainless hardware
  • Aramid insulator washers
  • NGK Blue Plug boots
  • Custom ignition contact springs

Thorn GM LQ9 Smart Coil Conversion Kit for RB25DET With Bracket, Coils, HW (NOT FOR NEO)

Calculated at checkout
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Availability can depend on manufacturer stock - PLEASE CALL if you have a deadline.

BUY NOW: $575.00
Regular Price: