Diesel Power Source

Compound Turbos - 12 Valve Cummins

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DPS Compounds - First Gen & Second Gen 12 Valve Cummins Fits: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 - 12 Valve Cummins Increase your 1996 12 Valve Cummins Performance Everywhere F…
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DPS Compounds - First Gen & Second Gen 12 Valve Cummins

Fits: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 - 12 Valve Cummins

Increase your 1996 12 Valve Cummins Performance Everywhere

From Stock Horsepower up to 1300 HP.

12 Valve Cummins - Compound Turbo Kit

Compound Turbo Selector:
Stage 1    200-550hp   Stock turbo + S475-Not available on 1st Gen
Stage 2    250-600hp   S362/65/0.7 over S475
Stage 2.5 250-625hp   S362/68/0.7 SXE Billet over S475
Stage 3    350-650hp   S362/71/0.7 over S475
Stage 4    350-675hp   S363/68/0.7 over S475
Stage 4.5 350-675hp   S363/68/ Ball Bearing over S480
Stage 5    400-700hp   S363/73/0.7 over S475
Stage 5.5 400-800hp   S363/73/ Ball Bearing over S480
Stage 6    400-700hp   S364/71/0.8 over S475
Stage 8    500-1050hp S366/73/0.8 over S480
Stage 8.5 500-1100hp S366/73/ Ball Bearing over S483

Features & Benefits:

  • Excellent factory-like fit. bolt-on application, no cutting or fabrication needed.
  • Wastegated, allowing boost adjustment
  • Performance 3-Piece Exhaust Manifold included
  • Super high flow air filter
  • Kevlar/Nomex lined silicone low pressure charge pipe provide superior flow and fitment compared to steel
  • High pressure metal charge pipe.
  • Cast hot pipe, not welded thin steel.
  • Flexible Steel braided oil supply lines
  • Stainless oil drain lines
  • S400 Atmospheric Borg Warner turbocharger
  • S300 High Pressure Wastegated turbo
  • High pressure Ball Bearing Turbo Available for lightening fast spool up.
  • Support bracket for Lower (large) turbocharger.
  • Lower EGT's by 250-450 degrees, over a single turbocharger.
  • Increase 12 Valve Cummins power by 22% to 30%.
  • All of our Compound Kits are excellent for towing.
  • Our 12 Valve Cummins compound kits are the best turbo upgrade for Dodge Cummins.
  • Computer Flow Model Tested for unmatched air and exhaust flow.
  • The only company making 1st gen cummins compound turbos
  • 12 Valve Cummins Direct Fit

Reasons Why Our Compound Turbos Work So Well

  • A lot more cool air enters the cylinders, because the dual staged compressors work together within their most efficient zones. The boost air is typically over 100 cooler per pressure made than from a single turbo.
  • The air entering the cylinder is at higher pressure, bringing the boost pressure and exhaust drive pressures near a 1:1 ratio.
  • The intake stroke can actually produce power.
  • There are additional air molecules in the cylinder which do not get involved in combustion which carry the heat out of the cylinder (similar to how a jet engine is cooler).
  • It has more complete combustion in the cylinders because there’s more air in the cylinder to burn all of the fuel.
    Diesel Power Source compound turbo 5.9 cummins turbo kits are all designed on CAD/CAM Software, using CFD (Computational Fluid Dynamics) Testing. Our Cummins compound turbos give a factory-like fit with the highest performance possible. Everything fits like it was built from the factory, and performs so well. You’ll wonder how you ever drove without them.

 

Head Studs Recommended For:

1988-2002 engines over 48 psi boost, and fire rings for over 55 psi boost
Have a Fummins or Chummins Conversion? Click this link for our Fummins, Chummins kits: https://www.dieselpowersource.com/compound-twin-turbo-fits-ford-cummins-fummins-conversion

Kit are complete, they include:

  • Both s300 and s400 turbos (except stocker)
  • Exhaust Manifold
  • All air, exhaust and oil tubing
  • Air Intake and filter
  • Downpipe or Adapter to fit factory exhaust (depending on truck)

** 1-Year, Limited Warranty.

Free shipping to the lower 48 states. When shipping to anywhere outside of the lower 48 states, additional shipping fees may apply.

***On 2nd Gen trucks with automatic transmission. The trans oil heat exchanger on the side of the engine block will need to be removed, bypassed or relocated to the frame. We sell the relocation kits for $149, select in the drop down.

***Only 2002 and older kits come with a downpipe, 2003 and newer kits bolt right to the factory exhaust.

***These kits do NOT have a CARB exemption. However our exhaust manifolds do.

  • 5.9 Compounds 5

    Posted by Lance Dehne on Jun 19, 2023

    I had the compound kit on my 5.9 Cummins for 4 years now. It made a huge difference in towing trailers. It spools up quick for when I need to get the camper or the trailer moving from a stop. Also, it does not take a lot of effort to make a pass on someone when I'm in a hurry. I would recommend this kit to anyone, whether they want to play or work.

  • Hello, I 5

    Posted by Greg P on Mar 31, 2023

    Hello,I do not normally comment on my truck part purchases, but I felt the quality of your kit was worth taking the time for. I recently purchased one of your stocker / S475 kits for my 06 ram. I have to say I am very impressed with the quality and packaging you guys do. This is my first compound turbo set up. I looked at many kits before purchasing yours. I looked at cheaper and more expensive. I had nearly talked myself into buying a cheaper kit. After receiving your kit I was immediately satisfied with spending the extra money on it. I opened the kit and was very impressed with the packaging alone. I thought to myself, if it performs half as well as it is packaged, I was going to be very happy. I had one issue after installation, but it turned out to be my fault for assuming. I assumed the tube from the output of the S475 to the input of my stock turbo was molded to the connector that uses V band clamp onto the S475. I had one extra clamp once installed and I thought it was odd, however I took the truck for a test ride and was very impressed with the faster spool up but the system got very loud and not as much boost as I had anticipated. I found out very quickly where the extra clamp went. After that mistake was remedied, the system is performing flawlessly. I am very satisfied with this kit. I look forward to putting it to the test towing in the Colorado mountains. I will be purchasing your intake for this same truck as well as probably upgrading my stock turbo to one of your new ball bearing turbos in the near future. I will not hesitate to recommend you guys to anyone who asks.

  • Towing 5

    Posted by Michael Venter on Nov 26, 2022

    Best thing I could have done sooner was do compounds for my 6.7Cummins! Stock fuel with some items not on the truck and it tows awesome. Steep grades and EGTs issues are a thing of the past! Great kit

  • 98 12V 5

    Posted by Kenny M on Oct 28, 2022

    Hey fellas, did some upgrades after your compound set up. Hamilton stage 1 head, full manual valve body, 125 industrial injectors. Makes 683 hp and just under 1300tq at 7200 ft. Egts never get over 1100 no matter what I'm pulling or how I have my attitude adjusted. Tuned by grand by truck shop. This thing is a pulling beast. Thanks again.!

Compound Turbos - 12 Valve Cummins

Compound Turbos - 12 Valve Cummins

$3,849.00
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Compound Turbos - 12 Valve Cummins

$3,849.00

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