Description
The Comp Turbo CT4RX-6875 Triplex Ceramic Ball Bearing Oil-Less Air-Cooled Reverse Rotation Turbocharger is a cutting-edge solution for extreme forced induction applications, delivering up to 1300 horsepower. Designed for high-performance street and strip use, this turbocharger eliminates the need for oil and water lines, simplifying installation while improving reliability and durability.
Utilizing Comp Turbo’s patented Triplex Ceramic oil-less air-cooled bearing system, the CT4RX-6875 provides ultra-smooth operation, rapid spool response, and long-term durability. Its lightweight billet aluminum center section and high-flow compressor and turbine wheels make it ideal for builds requiring a reverse rotation configuration with maximum performance potential.
The turbocharger can be mounted horizontally or vertically and is fully rebuildable and upgradeable, making it a long-term solution for extreme performance applications.
Part Information
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Model: CT4RX-6875
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Power rating: 1300 HP
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Configuration: Triplex ceramic ball bearing
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Cooling system: Oil-less air-cooled
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Rotation: Reverse rotation
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Reference number: 426875-4R
Key Features
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Patented Triplex Ceramic oil-less air-cooled ball bearing system
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Oil-less air-cooled design with no oil or water lines required
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Engineered for high-performance street and track applications
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Recommended engine bay installation for 1/8–1/2 mile racing only
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Street use recommended for mid-mount to remote-mount turbo systems
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Lightweight billet aluminum center section
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CTRX billet aluminum ultra-slim hub 7+7 compressor wheel
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Inconel 713C high-flow 9-blade turbine wheel
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Reverse rotation configuration
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Available with T4 or V-band turbine inlet housings
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Fully rebuildable and upgradeable construction
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Integrated maintenance grease fitting
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Supports horizontal and vertical installation
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Total weight: 13 lbs
Turbocharger Performance Fitment (Written Separately)
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Minimum horsepower: 500 HP
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Maximum horsepower: 1300 HP
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Minimum engine displacement: 2.0 liters
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Maximum engine displacement: 5.0 liters
Compressor Housing Specifications
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Compressor inlet size: 4.0 inches
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Compressor outlet size: 2.5 inches
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A/R ratio: 0.70
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Pressure port: 1/8 NPT
Compressor Wheel Specifications
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Compressor inducer diameter: 68 mm
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Compressor major diameter: 93 mm
Turbine Wheel Specifications
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Turbine inducer diameter: 82 mm
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Turbine exducer diameter: 75 mm
Built-to-Order Information
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All Comp Turbo turbochargers are built to order
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Standard production time: 2–3 weeks
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Rush orders can be requested in the order notes at checkout
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Customer service will contact you within 24 hours to confirm rush requests and estimated ship dates
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Comp Turbo prioritizes customer satisfaction and timely delivery
To ensure the highest quality, Comp Turbo kits are built to order. Most orders will take 3-5 weeks to ship but some kits can take longer. Once you place your order, the order will not be cancellable for any reason.
Recommended Service Interval
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Normal street use: Apply 8 pumps of grease every 3,000 miles
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Extreme street use: Apply 8 pumps of grease every 1,500 miles
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Extreme drag racing use: Apply 8 pumps of grease prior to each race event
2-Year Manufacturer Warranty
Comp Turbo stands behind the quality and performance of every turbocharger with a comprehensive 2-year warranty.
Warranty Coverage
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Defects in materials and workmanship
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Repair or replacement at no additional cost during the warranty period
Warranty Benefits
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Proven reliability engineered to meet or exceed industry standards
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Customer-focused support throughout ownership
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Simple and transparent warranty claims process
Warranty Terms
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Warranty valid for two years from the purchase date
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Applies only to turbochargers used in accordance with proper maintenance and operation guidelines
To ensure the highest quality, Comp Turbo kits are built to order. Most orders will take 3-5 weeks to ship but some kits can take longer. Once you place your order, the order will not be cancellable for any reason.
