Description
The Comp Turbo CT4R-6871 Dynamic 360° Journal Bearing Turbocharger is built for extreme street and track applications demanding high airflow, durability, and consistent boost delivery. Rated to support up to 1100 horsepower, this turbocharger utilizes a proven 360° journal bearing system that provides reliable, cost-effective performance under high load conditions.
Equipped with a CTR billet aluminum 7+7 extended tip compressor wheel and a high-flow Inconel 713C turbine wheel, the CT4R-6871 delivers strong top-end power while maintaining efficient spool characteristics. Its fully rebuildable and upgradeable design allows long-term serviceability and flexibility as performance goals evolve.
Each CT4R-6871 turbocharger is built to order by Comp Turbo and is backed by a comprehensive 2-year warranty for complete peace of mind.
Key Features
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360° journal bearing system for durable and cost-effective performance
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Engineered for high-performance applications
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Suitable for street and track use
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CTR billet aluminum 7+7 extended tip compressor wheel
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68mm compressor inducer
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Inconel 713C high-flow 10-blade turbine wheel
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71mm turbine exducer
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Titanium bullet nose nut
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Fully rebuildable and upgradeable design
Performance Specifications
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Minimum horsepower: 550 HP
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Maximum horsepower: 1100 HP
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Minimum engine displacement: 2.0L
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Maximum engine displacement: 4.0L
Compressor Housing Specifications
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Inlet size: 4 inches
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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: 68mm
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Compressor major diameter: 93mm
Bearing Housing Specifications
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Oil feed: 1/8 NPT female
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Oil drain flange threads: 8mm x 1.25
Turbine Wheel Specifications
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Turbine inducer: 76mm
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Turbine exducer: 71mm
Fitment
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Universal performance turbocharger
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Compatible with gasoline engines ranging from 2.0L to 4.0L
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Designed for builds targeting 550–1100 horsepower
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Suitable for custom high-horsepower street and track applications
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Professional installation and proper tuning required
2-Year Warranty
All Comp Turbo turbochargers include a 2-year warranty.
What’s Covered
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Defects in materials and workmanship
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Repair or replacement during the warranty period at no additional cost
Warranty Terms
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Warranty valid for two years from the purchase date
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Applies to turbochargers used with proper maintenance and operating conditions
Comp Turbo continues to deliver turbochargers engineered for extreme power, long-term reliability, and uncompromising performance on both street and track.
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.
