Description
The Comp Turbo CT2RX-4647 Triplex Ceramic Ball Bearing Oil-Less Water-Cooled Turbocharger is a compact, high-performance solution engineered for engines producing 300 to 500 horsepower. Designed to eliminate traditional oil supply lines while retaining efficient water cooling, this turbocharger simplifies installation and enhances durability while maintaining excellent thermal control under demanding conditions.
Featuring Comp Turbo’s patented Triplex Ceramic ball bearing system, the CT2RX-4647 delivers faster spool-up, ultra-smooth operation, and long-term reliability for both street and track use. Its lightweight billet aluminum center section and compact dimensions make it ideal for engine bay, mid-mount, or remote-mount turbo system configurations.
The turbocharger is equipped with a 46mm CTRX ultra-slim hub billet aluminum compressor wheel and a 47mm high-flow 9-blade turbine wheel, providing responsive boost and efficient airflow across a wide RPM range. Designed for flexibility, the CT2RX-4647 supports horizontal or vertical mounting and is available with T2 or V-band inlet turbine housings.
Features
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Patented Triplex Ceramic ball bearing oil-less water-cooled system
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Eliminates traditional oil supply lines while retaining water cooling
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Engineered for high-performance street and track applications
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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, 46mm
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High-flow 9-blade turbine wheel, 47mm
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Standard rotation configuration
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Available in T2 & V-band inlet turbine housings
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Fully rebuildable & upgradeable
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Water-cooled bearing housing with 3/8 NPT female inlet and outlet ports
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Maintenance grease fitting
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Horizontal & vertical installation capability
Horsepower & Engine Specifications
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Minimum horsepower: 300 HP
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Maximum horsepower: 500 HP
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Minimum engine displacement: 1.4L
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Maximum engine displacement: 2.5L
Compressor Housing Specifications
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Inlet size: 3 inches
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Outlet size: 2 inches
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A/R ratio: 0.60
Compressor Wheel Specifications
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Compressor inducer: 46 mm
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Compressor major diameter: 71 mm
Turbine Wheel Specifications
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Turbine inducer: 54 mm
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Turbine exducer: 47 mm
Fitment & Application
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Universal turbo fitment for custom applications
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Designed for engines producing 300–500 HP
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Compatible with engine displacements from 1.4L to 2.5L
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Standard rotation turbocharger
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Suitable for engine bay, mid-mount, and remote-mount turbo systems
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Supports horizontal and vertical mounting
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Requires engine water-cooling connection via 3/8 NPT ports
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Professional installation and tuning recommended
Recommended Service Interval
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Normal street use: 8 pumps of grease every 3,000 miles
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Extreme street use: 8 pumps of grease every 1,500 miles
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Extreme drag race use: 8 pumps of grease prior to each race event
2-Year Warranty
All Comp Turbo turbochargers are backed by a 2-year warranty.
Warranty Coverage
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Defects in materials and workmanship
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Repair or replacement of the turbocharger during the warranty period at no additional cost
Warranty Terms
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Warranty valid for two years from the date of purchase
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Applies to turbochargers operated and maintained according to Comp Turbo guidelines
With its compact size, oil-less design, and water-cooled reliability, the CT2RX-4647 is an ideal solution for modern high-performance street and track builds where efficiency, responsiveness, and simplified installation are critical.
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.
