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Thumbnail Filmstrip of 1994-1997 7.3L OBS Powerstroke KC300x G3 Stage 3 Conversion Kit (4" Plastic CCV) KC Turbos 302757 Images
The KC Turbos 302757 KC300x G3 Stage 3 Conversion Kit represents a radical evolution in forced induction for the 1994-1997 7.3L Powerstroke. By integrating modern SXE-style aerodynamics into a 100% drop-in platform, this kit eliminates the need for frustrating modifications while delivering dyno-proven power gains. The Gen 3 redesign focuses on correcting the airflow inefficiencies of legacy turbo technology, specifically targeting the "Old Body Style" (OBS) trucks to provide them with the throttle response and top-end breath of a contemporary engine. Through a meticulous overhaul of the compressor and turbine housings, KC Turbos has achieved a rare performance "triple crown": faster spool-up than smaller housings, higher flow than larger housings, and significantly improved thermal efficiency.
- Advanced Aerodynamics: Features a Gen 3 7x7 SXE-style compressor wheel with upgraded aero and extended tip technology, paired with a thick-shaft turbine wheel for maximum energy recovery.
- Revolutionary Housing Design: Utilizes a redesigned 0.70 AR ported compressor cover and a 0.91 AR turbine housing. This configuration outperforms both the old 0.84 AR (in spool speed) and the 1.0 AR (in total flow) due to updated volute technology.
- Enhanced Induction Flow: Equipped with an improved MAP groove, anti-surge ring, and a 3.5-inch intake boot that offers superior fitment over previous generations.
- Reinforced Rotating Assembly: Boasts 200% larger thrust and journal bearings supported by a thicker turbine shaft to prevent the shaft deflection and catastrophic failures common in stock units under high boost.
- Structural Integrity: A redesigned bearing housing features an integrated cast iron backing plate and a steel thrust insert to eliminate bearing fatigue and reduce component distortion under extreme heat.
- Comprehensive Installation Kit: Includes a high-flow non-EBPV outlet flange, a redesigned round-top wastegate actuator for precise boost control, and all necessary gaskets and O-rings.
- Seamless OBS Integration: Designed to bolt directly to your factory downpipe and y-bridge using the included custom outlet flange, pedestal, and up-pipe kit.
The true value of the KC300x G3 lies in its internal durability. While many aftermarket turbos prioritize peak numbers at the expense of longevity, this kit addresses the mechanical weak points of the 7.3 platform. By replacing the standard aluminum backing plate with a steel thrust insert, the unit maintains consistent expansion rates, ensuring the turbo functions reliably even under the intense pressures of heavy towing or high-performance street tuning. The integration of the cast iron backing plate into the bearing housing further stabilizes the assembly, providing the rigidity necessary for high-speed stability. This is not merely a replacement part; it is a comprehensive mechanical upgrade that brings your OBS Powerstroke into the modern era of diesel performance.
Supports: Up to 250cc/100% injectors
The KC Turbos 302757 KC300x G3 Stage 3 Conversion Kit represents a radical evolution in forced induction for the 1994-1997 7.3L Powerstroke. By integrating modern SXE-style aerodynamics into a 100% drop-in platform, this kit eliminates the need for frustrating modifications while delivering dyno-proven power gains. The Gen 3 redesign focuses on correcting the airflow inefficiencies of legacy turbo technology, specifically targeting the "Old Body Style" (OBS) trucks to provide them with the throttle response and top-end breath of a contemporary engine. Through a meticulous overhaul of the compressor and turbine housings, KC Turbos has achieved a rare performance "triple crown": faster spool-up than smaller housings, higher flow than larger housings, and significantly improved thermal efficiency.
Advanced Aerodynamics: Features a Gen 3 7x7 SXE-style compressor wheel with upgraded aero and extended tip technology, paired with a thick-shaft turbine wheel for maximum energy recovery.
Revolutionary Housing Design: Utilizes a redesigned 0.70 AR ported compressor cover and a 0.91 AR turbine housing. This configuration outperforms both the old 0.84 AR (in spool speed) and the [...]
The KC Turbos 302757 KC300x G3 Stage 3 Conversion Kit represents a radical evolution in forced induction for the 1994-1997 7.3L Powerstroke. By integrating modern SXE-style aerodynamics into a 100% drop-in platform, this kit eliminates the need for frustrating modifications while delivering dyno-proven power gains. The Gen 3 redesign focuses on correcting the airflow inefficiencies of legacy turbo technology, specifically targeting the "Old Body Style" (OBS) trucks to provide them with the throttle response and top-end breath of a contemporary engine. Through a meticulous overhaul of the compressor and turbine housings, KC Turbos has achieved a rare performance "triple crown": faster spool-up than smaller housings, higher flow than larger housings, and significantly improved thermal efficiency.
- Advanced Aerodynamics: Features a Gen 3 7x7 SXE-style compressor wheel with upgraded aero and extended tip technology, paired with a thick-shaft turbine wheel for maximum energy recovery.
- Revolutionary Housing Design: Utilizes a redesigned 0.70 AR ported compressor cover and a 0.91 AR turbine housing. This configuration outperforms both the old 0.84 AR (in spool speed) and the 1.0 AR (in total flow) due to updated volute technology.
- Enhanced Induction Flow: Equipped with an improved MAP groove, anti-surge ring, and a 3.5-inch intake boot that offers superior fitment over previous generations.
- Reinforced Rotating Assembly: Boasts 200% larger thrust and journal bearings supported by a thicker turbine shaft to prevent the shaft deflection and catastrophic failures common in stock units under high boost.
- Structural Integrity: A redesigned bearing housing features an integrated cast iron backing plate and a steel thrust insert to eliminate bearing fatigue and reduce component distortion under extreme heat.
- Comprehensive Installation Kit: Includes a high-flow non-EBPV outlet flange, a redesigned round-top wastegate actuator for precise boost control, and all necessary gaskets and O-rings.
- Seamless OBS Integration: Designed to bolt directly to your factory downpipe and y-bridge using the included custom outlet flange, pedestal, and up-pipe kit.
The true value of the KC300x G3 lies in its internal durability. While many aftermarket turbos prioritize peak numbers at the expense of longevity, this kit addresses the mechanical weak points of the 7.3 platform. By replacing the standard aluminum backing plate with a steel thrust insert, the unit maintains consistent expansion rates, ensuring the turbo functions reliably even under the intense pressures of heavy towing or high-performance street tuning. The integration of the cast iron backing plate into the bearing housing further stabilizes the assembly, providing the rigidity necessary for high-speed stability. This is not merely a replacement part; it is a comprehensive mechanical upgrade that brings your OBS Powerstroke into the modern era of diesel performance.
Supports: Up to 250cc/100% injectors