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3k/4k Governor Spring Kit3k 4k Governor Spring Kit Revitalize your diesel engines performance with our 3K 4K Governor Spring Kit. Designed to boost throttle response and expand RPM limits, this kit is ideal for enthusiasts and professionals seeking to optimize engine performance. The 3K 4K Governor Spring Kit includes high quality springs that replace your engines factory governor springs, allowing for increased RPMs and more aggressive throttle response. This upgrade is

Can be wired directly into a Dakota Digital SGI-100BT to convert the signal to any vehicle tacho signal

DIY weld-yourself engine mount kit

Each purchase includes one complete Welsh Plug assembly

and greater flexibility for custom P7100 injection pump builds

7L Cummins Engines⚙️ Compatible with RE4 Nissan Auto Trans (GU/GQ Patrol)🛠 CNC-Machined from 6061 Aluminum – Built for strength

Complete Kit – Includes delete plate

and more adaptable

Pressure Regulator

Take your build to the next level with purpose-built add-ons designed specifically for Patrol wagons:

Each sump is professionally TIG welded by Jeff at Jeffab Customs

and survive abuse — without sacrificing drivability

and high-performance diesel applications