Description
The Comp Turbo CT4RX-5858 Oil-Less Air-Cooled Turbocharger is an advanced forced-induction solution engineered to deliver up to 775 horsepower with maximum reliability and simplified installation. Utilizing Comp Turbo’s patented Triplex Ceramic Oil-Less Air-Cooled Ball Bearing System, this turbocharger eliminates the need for traditional oil and water lines while maintaining exceptional spool response and durability.
Designed for high-performance street, strip, and racing applications, the CT4RX-5858 features a lightweight billet aluminum center section and precision-balanced rotating assembly. The advanced ceramic ball bearing system reduces friction, enhances throttle response, and provides long service life under extreme operating conditions.
This turbocharger supports horizontal and vertical mounting, making it ideal for custom engine bay, mid-mount, and remote-mount turbo systems. Fully rebuildable and upgradeable, the CT4RX-5858 delivers dependable boost performance while allowing flexibility for future power upgrades.
Key Features
-
Patented Triplex Ceramic oil-less air-cooled ball bearing system
-
No oil or water lines required
-
Designed for high-performance street and track applications
-
Engine bay installation recommended for 1/8 to 1/2 mile racing only
-
Street use recommended for mid-mount to remote-mount turbo systems
-
Lightweight billet aluminum center section
-
CTRX billet aluminum ultra slim hub 7+7 compressor wheel, 58mm
-
Inconel 713C high-flow 9-blade turbine wheel, 58mm
-
Standard rotation configuration
-
Available with T3 or V-band turbine inlet housings
-
Fully rebuildable and upgradeable
-
Integrated maintenance grease fitting
-
Horizontal and vertical mounting capability
-
Approximate weight: 13 lbs
Performance Specifications
-
Minimum horsepower: 445 HP
-
Maximum horsepower: 775 HP
-
Minimum engine displacement: 2.0L
-
Maximum engine displacement: 3.5L
Compressor Housing Specifications
-
Inlet diameter: 4.0 inches
-
Outlet diameter: 2.5 inches
-
A/R ratio: 0.60
-
Pressure port: 1/8 NPT
Compressor Wheel Specifications
-
Inducer diameter: 58 mm
-
Major diameter: 81 mm
Turbine Wheel Specifications
-
Turbine inducer diameter: 65 mm
-
Turbine exducer diameter: 58 mm
Fitment Information
-
Universal turbocharger for custom applications
-
Compatible with engine bay, mid-mount, and remote-mount turbo systems
-
Installation orientation supported in horizontal or vertical positions
-
Vehicle-specific fitment depends on turbo manifold selection, exhaust housing choice, and supporting modifications
-
Professional installation and custom tuning strongly recommended
Built-to-Order Notice
-
All Comp Turbo turbochargers are built to order
-
Standard production time is typically 2–3 weeks
-
Rush orders may be requested at checkout and will be confirmed within 24 hours
-
Estimated ship date will be provided after order confirmation
Recommended Service Interval
-
Normal street use: Apply 8 pumps of grease every 3,000 miles
-
Extreme street use: Apply 8 pumps of grease every 1,500 miles
-
Extreme drag race use: Apply 8 pumps of grease prior to each race event
Warranty Information
All Comp Turbo turbochargers include a 2-Year Warranty.
Warranty Coverage
-
Defects in materials and workmanship
-
Repair or replacement at no additional cost during the warranty period
Warranty Terms
-
Warranty valid for two years from the date of purchase
-
Applies to turbochargers operated under proper maintenance and usage conditions
With its oil-less air-cooled design and triplex ceramic ball bearing technology, the Comp Turbo CT4RX-5858 delivers responsive boost, simplified installation, and dependable high-horsepower performance for demanding street and racing applications.
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.
