GARGOSHENAUTOMOTIVE REPAIR 520-990-1033
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PERFORMANCE & UPGRADES

Upgrades that make your truck better.

Hand-picked packages for your exact engine: reliability fixes first, then towing, airflow and power. Quality parts, installed right, emissions-compliant.

  • Engine-matchedby VIN or engine
  • Reliability firstfix weak points
  • Top brandsBanks, BD, ARP & more
  • Installedby Goshen techs

PACKAGES FOR YOUR TRUCK

Hand-picked packages.

Brands shown are examples we install; the exact part is matched to your VIN and quoted before any work. We only install emissions-compliant parts and calibrations.

HOW WE BUILD IT

The right order matters.

Power is the last step, not the first. Every package follows the same order.

  1. 1

    Fix the weak points

    Head studs, coolers, fuel-pump protection: whatever your engine is known for.

  2. 2

    Monitor it

    Gauges for EGT, coolant, oil and transmission temperature, so you see trouble early.

  3. 3

    Support the load

    Transmission, suspension and cooling built for how you tow and haul.

  4. 4

    Add power responsibly

    Airflow and compliant calibration, matched to everything above.

TRUCK-SPECIFIC GUIDES

2003–2007 5.9 Cummins upgrades.

Stage 1 to Stage 3 builds and the Banks parts we install on the 3rd-gen 5.9.

See 5.9 performance upgrades →

BRANDS WE INSTALL

Proven parts only.

Browse all kits
  • Banks Power
  • BD Diesel
  • aFe Power
  • FASS
  • Randy’s Transmissions
  • Jasper
  • Pacbrake
  • Edge Products
  • S&S Diesel
  • S&B
  • MBRP
  • XDP
  • Mishimoto
  • Fleece Performance
  • Insane Diesel
  • Bullet Proof Diesel
  • Sinister Diesel
  • KC Turbos
  • ARP
  • Air Lift
  • Bilstein
  • MAHLE
  • AMSOIL

READY WHEN YOU ARE

Let’s build your truck the right way.

Decode your VIN for engine-matched packages, or call and tell us how you use your truck.

Truck down?Call roadside service520-990-1033