🔥 Stainless Diesel 63/68 T4 .91 5Blade Mafia™ Turbocharger – Performance Street Turbo Upgrade
Upgrade your diesel with the perfect blend of street performance and drivability. The Stainless Diesel 63/68 T4 .91 5Blade Mafia™ Turbocharger is designed for enthusiasts who want fast spool-up, excellent throttle response, and power potential nearing 700 HP—all in a durable, well-balanced package.
Featuring a high-efficiency 63mm 5Blade billet compressor wheel and 68mm turbine with a T4 .91 A/R l housing, this turbo is ideal for performance-minded street builds, hot street trucks, and medium-duty tow rigs. Designed to bolt up to a standard T4 manifold, this unit delivers rapid transient boost response and proven results: dyno-tested up to 689 rwhp!
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⚙️ Turbo Highlights:
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Built for 5.9L Cummins and other T4 diesel applications
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63mm 5Blade billet compressor wheel with high-efficiency aero
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68mm turbine with T4 open scroll .88 A/R non-gated housing
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RACE COVER with larger radiused inlet bell for high airflow
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Optimized MAP grooves for improved compressor efficiency
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Dyno-proven: supports up to ~689 rear-wheel horsepower
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Balanced for street, hot street play, and light/medium towing
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Twin hydrodynamic journal bearing system for durability
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Faster transient boost compared to cast wheel turbos
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Includes turbo install gasket kit
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ÂĽ" NPT oil feed port
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Oil drain bolt thread size: 3/8-16
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Optional polished compressor cover available
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Recommended for use with a 2000–2200 RPM stall converter (especially for 5.9L Cummins street trucks)
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💡 Why Choose This Turbo?
If you're building a responsive and fun-to-drive diesel truck for the street—without sacrificing towing capability—this turbo delivers. The .91 A/R housing offers the flow needed for serious power, while the 5Blade design improves spool and drivability compared to traditional cast wheels. Whether it’s daily driving, spirited street pulls, or running at your local event, this is a turbo that performs across the board.
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📦 What’s Included:
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63/68 T4 .91 5Blade Mafia™ Turbocharger
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Complete Turbo Install Gasket Kit
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Join the movement. Join the power. Join the 5Blade Mafia™ today.
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