Description
The Comp Turbo CT4RX-6871 Triplex Ceramic Ball Bearing Oil-Less Water-Cooled Turbocharger is engineered for extreme high-horsepower applications that demand maximum airflow, fast transient response, and reliable thermal control. Rated for up to 1250 horsepower, this turbocharger eliminates traditional oil feed and return lines while retaining water cooling to ensure stable, consistent performance in high-boost and high-temperature environments.
At the core of the CT4RX-6871 is Comp Turbo’s patented Triplex Ceramic Ball Bearing oil-less system, designed to deliver ultra-smooth operation, reduced friction, and rapid spool characteristics. The lightweight billet aluminum center section, paired with a high-flow compressor and turbine wheel combination, allows this turbocharger to perform exceptionally in aggressive street builds, track-focused vehicles, and professional motorsport applications.
This turbocharger is fully rebuildable and upgradeable, making it a long-term solution for builders planning future power increases. With flexible mounting capability and multiple turbine inlet housing options, the CT4RX-6871 adapts easily to a wide range of high-performance turbo system layouts.
Key Features
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Patented Triplex Ceramic Ball Bearing oil-less water-cooled system
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Eliminates traditional oil feed and return lines
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Fast spool with smooth, consistent operation
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Designed for high-performance street, track, and motorsport use
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Recommended for engine bay, mid-mount, and remote-mount turbo systems
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Lightweight billet aluminum center section
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CTRX Ultra Slim Hub 7+7 compressor wheel
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High-flow 9-bladed turbine wheel
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Standard 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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Water-cooled bearing housing with 3/8 NPT female inlet and outlet ports
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Integrated maintenance grease fitting
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Supports horizontal and vertical mounting orientations
Power & Engine Fitment Specifications
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Minimum horsepower rating: 500 HP
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Maximum horsepower rating: 1250 HP
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Minimum engine displacement: 2.0 liters
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Maximum engine displacement: 4.0 liters
Compressor Housing Specifications
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Compressor inlet diameter: 4 inches
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Compressor outlet diameter: 2.5 inches
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A/R ratio: 0.70
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: 76 mm
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Turbine exducer diameter: 71 mm
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 race use: Apply 8 pumps of grease prior to each race event
Warranty Information
2-Year Comp Turbo Warranty
All Comp Turbo turbochargers are backed by a comprehensive 2-year warranty against defects in materials and workmanship.
Warranty Coverage
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Defects in materials and workmanship
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Repair or replacement of the turbocharger at no additional cost during the warranty period
Warranty Terms
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Warranty is valid for two years from the date of purchase
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Applies to turbochargers operated and maintained according to Comp Turbo service guidelines
With Comp Turbo’s 2-year warranty, performance, durability, and confidence come standard.
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.
