KC Turbos Jetfire S2R Gen 2 Dual Ball Bearing Turbo – 2003 6.0L Powerstroke (Part #300248)

The KC Turbos Jetfire S2R Gen 2 Dual Ball Bearing Turbo is a true game-changer for 2003 Ford 6.0L Powerstroke owners. This 100% drop-in Stage 2 VGT turbo delivers faster spool, stronger mid-range power, and better overall drivability than other Stage 2 options on the market—while remaining street-friendly and excellent for towing.

Performance Highlights

• Supports up to 190cc / 30% injectors
• Capable of 600–650 HP with larger injectors and supporting modifications
• Works exceptionally well on stock injectors
• Faster spool and more power than competing Stage 2 VGT turbos
• Improved throttle response and reduced turbo lag
• Great street manners that make the truck feel lighter and more responsive

Key Features

• Upgraded Gen 2 Dual Ball Bearing cartridge for superior durability, reduced friction, and quicker response
• Redesigned lighter and stronger Jetfire 64x88mm single-plane, point-milled billet compressor wheel with extended tips to 94mm
• Upgraded .70 A/R race compressor cover featuring KC’s signature drilled-hole surge ring for maximum airflow
• Redesigned Jetfire 73x66 quick-spool turbine wheel
• New high-flowing VGT vanes
• 100% drop-in ready — no modifications required
• Includes new VGT solenoid
• Brand new turbo — no core charge
• Comes with install kit

Fitment

Fits 2003 Ford F-Series Super Duty trucks equipped with the 6.0L Powerstroke diesel engine.

Whether you’re looking for everyday drivability, better towing performance, or a solid foundation for higher horsepower builds, the Jetfire S2R Gen 2 Dual Ball Bearing turbo delivers noticeable gains without sacrificing reliability or street manners.