
Peak Diesel Performance 94-98 Dodge 5.9L 12 Valve Cummins 4000 RPM GSK w/ 12 HD valve springs
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- Part Number: 4kgskw12spgs
- Est. Ship Time: No Longer Available

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4000 RPM Governor Spring Kit with 12 Heavy Duty Valve 60lb Springs
The Peak Diesel Governor Spring Kit is a special combination of Bosch springs and Piers' unique design on seats.
This kit allows your engine to have full fueling to approximately 4000RPM, which greatly improves the driving experience of a stock truck, for trucks with injectors and more, this kit is a must!
The GSK is designed to allow your pump to rev past factory settings without compromising pump safety.
4000RPM kits required use of heavy duty valve springs, which are included in this kit.
Fits 1994-1998 Dodge 12 Valve Cummins diesels.

Discontinued (Updated 6/17/2024)
3000 RPM Governor Spring Kit (3K GSK)
This kit allows your engine to have full fueling to approximately 3000RPM..
$0.00
Discontinued (Updated 3/17/2025)
4000 RPM Governor Spring Kit (4K GSK)
The Peak Diesel Governor Spring Kit is a special combination of springs a..
$0.00
4000 RPM Governor Spring Kit with 12 Heavy Duty Valve 60lb Springs
The Peak Diesel Governor Spring Kit is a special combination of Bosch springs a..
$0.00
High Tech Turbo Sled Puller 66 550-625 HP 1225 ft. lbs. torqueFits 1989-2007 Dodge Cummins Turbo Diesels.A boost fooler in included for 03-07 trucks.3..
$0.00
5000 RPM Governor Spring Kit (5K GSK)This 5,000 RPM kit utilizes the stock idle (large) spring and will idle at stock levels. We have installed this k..
$253.45
Backordered with No ETA (Updated on 6/10/2025)
These extra heavy duty 14mm XHD studs are made from L19 and have a glass bead..
$803.42
Discontinued (Updated 4/19/2024)
5000 RPM Governor Spring Kit (5K GSK)
This 5,000 RPM kit does not utilize the stock idle (large) spring. We onl..
$0.00
This diode is now resin potted to protect against breakage.
For 12valve engines, years 94 to 98-1/2
Fuel solenoid failure almost always begins w..
$32.95
Cummins: 3957544
Picture for representation ONLY...
$358.90
High RPM Governor Spring Kit- 3000 RPM -
1994-98 Dodge 5.9L 12-Valve Cummins.
Please allow for a 7-10 build time before shipping.Recommended fo..
$0.00
Governor Spring Kit- 4000 RPM - 1994-98 Dodge 5.9L 12-Valve Cummins. Recommended for Towing, Street, and Competition ApplicationsPart# 705-974-21..
$0.00
Full set requires 6 pistons.
Mahle part number: 224-3513
High temperature thermal coating option available.
Please allow 1-2 weeks extra d..
$91.71
The Hamilton Cams 07-H-002 Large Valves are designed for the Cummins 12-Valve engine found in your 1989-1998 Dodge Pickup. This 1.870" Intake valve fe..
$449.00
Did you break off the stock "nipple" on your stock plastic timing pin?
Time to fish that chunk of plastic out of the back of the cam gear a..
$35.00
This is a aftermarket stock replacement oil cooler. Fits 1994-2002 5.9L Cummins.
Part number: 3921558A
Picture for representation ONLY (but is ..
$124.00
High Flow Laser Cut Delivery Valves by SCHEID Diesel For the P7100 Injection Pump found on 94-98 Dodge 12 Valve Cummins Turbo Diesel.Do you need more ..
$285.40
DISCONTINUED!
Dodge 94-2002 Cummins HX40, HTB Turbo 4" DownpipeFits the HTT HTB line of turbos, along with HX40 turbos.
4" flat flange downpipe. Swe..
$0.00
Backordered with No ETA (Updated on 6/10/2025)
High Tech Turbo QUICK DIESEL 64
For the 1989-2007 Dodge 5.9L Cummins Diesel
Fits 198..
$0.00
AutoMeter Ultra Lite Pyrometer 0-1600 Degree
Autometer: 4344..
$262.63
Discontinued please see 23G40x for a potential replacement (Updated 2/21/2024)
Pure Diesel Power carries the complete line of cam plates ..
$0.00
AutoMeter Ultra Lite 0-60 PSI Boost Gauge Includes 6 ft. nylon tubing with 1/8" NPT fittings. Includes 1/4'' NPT adapter/fittings. Autometer: 4305..
$97.50
Dodge Ram Cummins 1994-1998 Second Gen 5.9L Injector Set: Stage 4 injector set. Injectors will support 850-900 RWHP with proper supporting m..
$1,021.25
MBRP 94-02 Dodge Cummins Aluminized 4" Turbo Downpipe
4", bolts directly to stock turbo.
MBRP: DAL401..
$184.99
Autometer C2 0-60PSI Boost GaugeIncludes 6 ft. nylon tubing with 1/8" NPT fittings. Includes 1/4'' NPT adapter/fittings. Autometer: 7105..
$106.83
C2 Transmission Temperature Gauge 100-250º Stepper Motor TechnologyIncludes 1/8" NPT Sender. Air-Core meter movement. Includes 3/8"" NPT adapter/fitti..
$102.08
Autometer C2 0-2000 Degree Pyrometer Stepper MotorFull Sweep, Stepper Motor meter movement.Air-Core meter movement.Includes Type K Thermocouple.Autome..
$272.16
Only Auto Meter has the top quality full coverage "A" pillar gauge mounts for your 1994-1997 Dodge full size truck.
The 17201 mount holds t..
$113.25
Dodge 94-98 Second Gen Injector Set: Stage 3 injector set. Injectors will support 700-750 RWHP with proper supporting modifications. Largest..
$926.25
Discontinued (Updated 4/23/2024)
Please see 62001010007 for alternative
Delivery Valve Socket
For Installing or Removing the delivery va..
$0.00
.020 Over Marine Head Gasket 1989-1998 Dodge 12 Valve 5.9L Cummins Diesel.
Overall thickness: 2.78mm
Cummins: 3283339..
$338.46
2 Inner Springs to Convert 3k gsk to a 4k gsk.94-98 Dodge 12 Valve Cummins
Only designed to work with Peak Diesel Performance 3K governor spring kits..
$19.99
DISCONTINUEDApplication: 03-07 Dodge Ram Cummins 5.9L DieselPerformance Intercooler Boot & Clamp KitSuperior material, stays on, holds more ..
$0.00
DISCONTINUEDApplication: 03-07 Dodge Ram Cummins 5.9L Diesel07.5-2009 6.7L Cummins
Performance Turbo to Intercooler tube connector boot & 2..
$0.00
Product Unavailable (11/25/2024)
Tired of spots on your driveway, oil on your radiator, an oily mess in your engine compartment?
Give the Cummins ..
$0.00
DISCONTINUEDPeak Intercooler Boot & Clamp Kit
Application: 94- 02 D..
$0.00
DISCONTINUED
94-02 Dodge Hi-Performance Upper Intercooler Boot
Fits 94-02 Dodge
Replaces OEM intercooler boot
4-Ply brick red Aramid Fibe..
$0.00
Discontinued (Updated 6/17/2024)
3000 RPM Governor Spring Kit (3K GSK)
This kit allows your engine to have full fueling to approximately 3000RPM..
$0.00
Discontinued (Updated 3/17/2025)
4000 RPM Governor Spring Kit (4K GSK)
The Peak Diesel Governor Spring Kit is a special combination of springs a..
$0.00
Product Unavailable (Updated 7-18-24)
OUR KIT CONTAINS:
RTV SENSOR SAFE ULTRA GRAY GASKET MAKER
KDP TAB
FRONT SEAL
LOCKTITE
&nbs..
$0.00
DISCONTINUED (7-31-23)Are they purdy? Nope, but they'll hold 60 pounds of boost and they are made in the good old U.S.A. Not knock-offs like most othe..
$0.00
DiscontinuedIdeal for transitioning from 4" turbo inlet to 3" cold pipe in twin turbo set up
4-Ply brick red Aramid Fiber with Black Matte finish c..
$0.00
Elevate your Dodge Cummins Diesel truck's performance with AVP's Billet Delivery Valve Holders designed for the P7100 fuel pump. Engineered for precis..
$259.99
62001010007 Backordered until the Beginning of July (Updated 5/7/25)
Timing tool kit for a Dodge Cummins with the inline P7100 fuel pump, otherwise..
$199.00
Backordered with No ETA (Updated 6/9/25)
94-98 P7100 Injection Pump Fuel Shutoff Solenoid Lever
This is ONLY the lever that bolts on the pump.&n..
$100.74
Cummins P7100 Woodruff Key for the throttle lever arm.
This is a TINY woodruff key, it goes on the shaft that the shutoff lever pivots on.
This it..
$3.99
Cummins 12 valve and 24 valve lift pump block off plate. Covers the hole on 89-98 12 Valves that would normally have a lift pump bolted into it...
$22.95
The rubber components of the AFC (the diaphragm, foot shaft o-ring, and housing seal) were previously hard to find and often become neglected on aging..
$95.00
Adjust your 12v Cummins injectors with this injector shim kit. Perfect your injector install with this shim kit.
PDD: 61214191100..
$25.00
Secure your new upgraded fuel injectors with the Power Driven Diesel OEM Replacement 12v Cummins Injector Hold-Down Nut set. Designed for First and Se..
$30.00
Includes item number 24 in second picture.
This item has *Right Hand Thread & is 1.25" Long-
We are not responsible for return sh..
$23.73
ONLY number 23 from second picture.
This item has *Left Hand Thread & is 1.25" Long- We are not responsible for return shipping or expeditin..
$70.87
The XDP OER Series New Fuel Injector XD499 from XDP is a direct replacement for the failed injector on your 1994-1995 Dodge 5.9L Diesel. OER series fu..
$99.95
The XDP OER Series New Fuel Injector XD498 from XDP replaces the failed fuel injector on your Dodge 5.9L Diesel. XDP OER Series Fuel Injectors are bui..
$99.95
Elevate your Dodge Cummins Diesel truck's performance with AVP's Billet Delivery Valve Holders designed for the P7100 fuel pump. Engineered for precis..
$44.99
Kit Includes:
3963983 (2) - #6 in image (sealing washers)
3939570 - #3 in image (called a bleed bolt)
3911446 ..
$41.06
This is the part that gets destroyed if your starter sticks on. If your solenoid burned up you should replace the starter contacts or install a L..
$111.99