SKU: 50473113303

KC Turbos KC300x G3 Stage 2 Turbo - 1999-2003 Ford F-Series

Sale price$670.50 Regular price$745.00
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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4

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Description

KC Turbos KC300x G3 Stage 2 Turbo - 1999-2003 Ford F-SeriesKC300x Stage 2 Turbo Gen 3 (L99 7. 3 Powerstroke) Injector Support Supports up to 238cc 80% injectors Overview The KC300x Stage 2 Gen 3 Turbo is the ultimate 100% drop in turbo upgrade for the 7. 3 Powerstroke platform. After years of in house R&D, this turbo delivers faster spool, increased airflow, and superior reliability compared to previous generations and competing drop in turbos on the market. Designed for high horsepower applications while

KC300x Stage 2 Turbo – Gen 3 (L99 / 7.3 Powerstroke)

Injector Support

Supports up to 238cc / 80% injectors


Overview

The KC300x Stage 2 Gen 3 Turbo is the ultimate 100% drop-in turbo upgrade for the 7.3 Powerstroke platform. After years of in-house R&D, this turbo delivers faster spool, increased airflow, and superior reliability compared to previous generations and competing drop-in turbos on the market.

Designed for high horsepower applications while maintaining excellent street manners, the KC300x Gen 3 eliminates known weak points of the factory turbo and earlier KC designs—making it the most advanced drop-in option available.


Key Features & Benefits

  • 100% Drop-In Turbo – No modifications required

  • Dyno-Proven Power Gains

  • Gen 3 Redesigned 7x7 SXE-Style Compressor Wheel

    • Extended tip technology

    • Upgraded aerodynamics for faster spool

  • Thick-Shaft SXE-Style Turbine Wheel

    • Designed to handle higher boost and horsepower

  • 0.70 A/R Ported Compressor Cover

    • Redesigned map groove, anti-surge ring, and volute shape

    • Improved airflow and surge resistance

  • 0.91 A/R Redesigned Turbine Housing

    • Modern flow path and upgraded volute technology

    • Faster spool than the old 0.84 A/R

    • Flows more air than the old 1.0 A/R

  • Spools Faster & Makes More Top-End Power than previous KC options

  • 200% Larger Thrust Bearings

  • Upgraded Journal Bearings

    • Wider and taller for improved load capacity

  • Thicker Turbine Shaft

    • Prevents shaft deflection and catastrophic failures seen in stock designs

  • Redesigned Bearing Housing

    • Integrated cast-iron backing plate for high-speed stability

  • Steel Thrust Insert

    • Reinforces oil slinger and piston seal contact areas

    • Eliminates bearing fatigue and improves longevity

  • High-Flow Non-EBPV Outlet Flange

  • Round-Top Wastegate Actuator

    • Improved boost control

  • Includes All Required Gaskets & O-Rings

  • Includes Upgraded 4” Intake Boot

    • Improved fitment over previous designs


Performance Design Details

The Gen 3 KC300x utilizes a 0.91 A/R turbine housing and 0.70 A/R compressor cover, replacing older, inefficient housing designs. Drawing inspiration from modern turbocharger technology, the flow path, volute shape, and material density were completely re-engineered.

Compared to the previous 0.84 and 1.0 A/R turbine housings, the new 0.91 A/R:

  • Spools quicker

  • Produces more usable top-end power

  • Maintains excellent drive pressure control

The redesigned bearing housing allows for 200% larger thrust bearings and significantly upgraded journal bearings, dramatically improving reliability at elevated boost and horsepower levels.


Injector & Turbo Sizing Guidance

This turbo is recommended for 205/30 up to 238/80 injectors.

  • Will operate on smaller injectors, but for 205/30 and smaller, we recommend the KC300x Gen 3 Stage 1.

  • Exact compressor sizing is proprietary, but rest assured:
    This turbo will outperform any other drop-in turbo on the market — guaranteed.

If you need specific sizing details, feel free to contact us and we’ll walk you through the best setup for your truck.


Fitment Information

  • Designed for 7.3 Powerstroke pickup trucks

  • Fits 7.3 vans with modification to:

    • Turbo intake boot

    • Downpipe

  • Will NOT fit OBS or E99 trucks without modification

  • Fitment with aftermarket fuel systems, plenums, or piping kits cannot be guaranteed


Optional Add-Ons & Recommendations

For best performance, we highly recommend:

  • Upgraded Up-Pipes

  • Upgraded EBPV Pedestal

  • Hydra Programming Chip

Exhaust Brake Notice

Some exhaust brakes may cause clearance or performance issues due to flapper-style designs that create excessive back pressure. Fitment and compatibility are the responsibility of the customer.


Finish Options & Lead Times

  • Turbos are sand cast by default

  • Optional polished compressor cover available for $250

    • 2-week lead time for polished covers

  • Powder coating may take up to 3 weeks before shipping


Looking for a Smaller Setup?

If you’re running smaller injectors and want maximum efficiency, check out the KC300x Gen 3 Stage 1 Turbo.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50473113303

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Reviewed in the United States on April 18, 2026
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MintMermaid
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★★★★★ 5
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Reviewed in the United States on December 21, 2025
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Old Mom on the Farm
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★★★★★ 4
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