5 BLADE S366/74/T-3 .80 GATED TURBO
🔥 Stainless Diesel 66/74 T3 .80 5Blade Mafia™ Turbocharger – Wastegated High-Performance Street Turbo for 5.9L Cummins
Push your build further with the Stainless Diesel 66/74 T3 .80 5Blade Mafia™ Turbocharger—built for diesel enthusiasts who want daily street manners and the muscle to back it up. With dyno-proven capability up to 800 rear-wheel horsepower, this turbo is ideal for high-performance 5.9L Cummins builds that demand power, spool, and unmistakable whistle.
This turbo features a 66mm billet 5Blade compressor wheel paired with a 74mm turbine inside a T3 .80 A/R twin-scroll wastegated housing. The result? Exceptional throttle response, faster transient boost than comparable cast setups, and smooth power delivery across the rev range. Perfect for hot street builds, weekend racers, and aggressive daily drivers.
—
⚙️ Key Features:
-
66mm 5Blade Mafia™ billet compressor wheel – rapid spool and airflow
-
74mm turbine with T3 twin-scroll .80 A/R wastegated housing
-
Capable of producing up to 800 RWHP with proper supporting mods
-
Ideal for hot street builds, street/strip setups, and performance-driven daily use
-
Race cover with high-flow radiused inlet bell for max charge air velocity
-
Optimized MAP grooves in the compressor cover for smoother boost transitions
-
Stainless Diesel spring-gate actuator – adjustable boost control
-
Stainless Diesel wastegate spacer plate – increases wastegate efficiency
-
Twin hydrodynamic journal bearings – smooth, durable operation
-
¼" NPT oil feed port
-
Optional polished compressor cover for show-truck appeal
-
Includes complete turbo install gasket kit
-
Recommended: 2000–2200 RPM stall converter for 5.9L Cummins trucks
—
📦 What’s Included:
-
66/74 T3 .80 5Blade Mafia™ Turbocharger
-
Stainless Diesel spring-gate actuator
-
Wastegate spacer plate
-
Full turbo install gasket kit
—
💡 Why Choose This Turbo?
The 66/74 T3 .80 5Blade turbo offers the perfect balance between daily drivability and hard-hitting horsepower. Designed for aggressive street trucks that need big power without losing low-end responsiveness, this turbo brings proven performance and the signature 5Blade sound to your build.
—
🛒 Upgrade today and join the 5Blade Mafia™—where performance meets personality.
Pairs well with
Ships within 1-2 business days.
Free shipping & returns
5 BLADE S366/74/T-3 .80 GATED TURBO
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.
FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.