Products

🌀 New & Improved Compact Race Cover – Big Performance in a Smaller Package Don’t let the size fool you—this new compact race cover packs serious punch. Redesigned with a streamlined 5" inlet (replacing the former 5.5"), this upgraded cover delivers better airflow, faster spool, and improved...

🛠️ S400 Compressor Outlet O-Ring Flange – Mild Steel | Fits 4.00" & 3.50" Pipe | Includes O-Ring | GT42 Compatible This S400 Compressor Outlet O-Ring Flange is the perfect solution for fabricating custom charge piping on high-performance diesel or race builds. CNC-machined from durable mild steel,...

🔩 S400 V-Band Clamp – Fits the compressor outlet flange on any s400 turbo. Perfect for replacing a worn out clamp or for any new intercooler piping that you may be fabricating. — 🔧 Key Features: Compatible with S400 outlet flanges for intercooler piping...

🔥 T-4 S400 Exhaust Housing – Precision Flow for Maximum Performance Unlock the full potential of your turbo setup with the T-4 S400 Exhaust Housing. Engineered for high-performance applications, this housing features an 87mm x 82mm turbine wheel flow path and a twin-scroll volute design, delivering faster spool,...

🛠️ Standard S400 Turbo Rebuild Kit – Complete Internal Refresh for S400 Turbochargers Bring your turbo back to life with this Standard S400 Rebuild Kit—engineered to restore performance, reliability, and boost response in your Borg Warner S400 turbocharger. Whether you're addressing wear from high...

🛠️ S400 T4 Downpipe Marmon Flange – 4.62" (4 5/8") Stainless Steel Exhaust Outlet Flange This S400 T4 Marmon Flange (4.62") is designed to fit the exhaust outlet of Borg Warner S400 series turbochargers with a T4 exhaust housing. CNC-machined from high-quality stainless steel, this flange offers...

🔥 S400 93mm Turbine Wheel Upgrade with T4 1.00 A/R Exhaust Housing – Max Out T4 Performance Before Going T6 Looking to get every ounce of performance out of your S400 turbocharger before stepping up to a T6 setup? This upgrade is your solution....

🔧 S400 Turbo Rebuild or Replacement Center Section – Your Turbo's Lifeline! If your S400 turbo is showing signs of wear or bearing failure, it’s time for a fresh start. Our high-quality center section options will bring your turbo back to life and restore...

🔧 S400 Turbo Rebuild or Replacement Center Section – Your Turbo's Lifeline! If your S400 turbo is showing signs of wear or bearing failure, it's time for a rebuild or replacement center section! We offer high-quality options to bring your turbo back to life...

S400 Turbo Rebuild Service – Professional Diesel Turbocharger Rebuild Restore the performance and reliability of your S400 turbocharger with our professional S400 turbo rebuild service at Stainless Diesel. Our experienced technicians completely disassemble, inspect, and rebuild your turbo using high-quality components to ensure proper...

🔥 2003–2007 Cummins 5.9L Compound Turbo Piping Kit – Stainless Diesel 3G/4G T4 over T6 Twin Kit Boost airflow, horsepower, and drivability with Stainless Diesel’s premium compound turbo piping kit — engineered for 2003–2007 Dodge Ram 2500/3500 5.9L Cummins Common Rail engines. This complete...

🔥 2.5 Sled Pulling Class ‘Box’ Turbo – S465 Competition Turbocharger | Rule-Compliant Power for Serious Competitors Built for performance and built to the rules, this S465 'Box' Turbo is your ticket into the 2.5 Sled Pulling Class. Engineered to meet the 2.55" plug...

🌀 Cast BorgWarner 65mm Compressor Wheel with S465 5.00" Inlet Cover Upgrade or replace your S400-series turbo components with this cast BorgWarner 65mm compressor wheel and S465-style compressor cover. Designed for durability and proven performance, this setup is ideal for high-boost diesel or performance...

🔥 S400 2.5" Cast Compressor Wheel – 63.5mm | S465/S464/S463.5 Replacement This 63.5mm S400 cast compressor wheel is a cost-effective and durable replacement for turbos commonly referred to as S465, S464, and S463.5. Designed to meet 2.5" class requirements, this cast wheel offers proven...

🔥 2nd Gen Style Turbo Piping Kit for 2003–2005 Cummins – Includes S465 Turbo | Stainless Diesel High-Boost System Upgrade your 3rd Gen Cummins (2003–2005) with Stainless Diesel’s 2nd Gen Style Turbo Piping Kit—designed to move your turbo to the optimal "twin position" for...

🔥 2nd Gen Style S465 Turbo Kit – For 2006–2007 Dodge Cummins (5.9L) | Stainless Diesel High-Flow System Unleash the full potential of your 2006–2007 5.9L Cummins with Stainless Diesel’s 2nd Gen Style S465 Turbo Piping Kit. This complete kit positions your turbo in...

S465 Turbocharger – High-Performance Solution for Sled Pulling, Racing & Daily Driving Built for power and durability, the S465 turbocharger is a versatile choice for sled pulling, racing, and aggressive street performance. Renowned for its robust construction and proven reliability, the S465 delivers significant...

🔥 5Blade S468/83 Supercore Turbo Kit – Complete 2nd Gen Swap for 2003–2005 Dodge Cummins (5.9L) | T4 Performance System Boost your 5.9L Cummins with Stainless Diesel’s proven 5Blade S468/83 Supercore Turbo Kit — a high-performance solution designed for street trucks, towing builds, and...

🔥 5Blade S468/83 Supercore Turbo Kit – For 2006–2007 Dodge Cummins (24V) | 2nd Gen Style Swap with T4 Fitment Take your 5.9L Cummins to the next level with the Stainless Diesel 5Blade S468/83 Supercore Turbo Kit. Built for performance, spool speed, and long-term...

🔥 S468/83 Cast Turbo Kit – 2nd Gen Swap for 2003–2005 Dodge Cummins (5.9L) | T4 | High-Flow Stainless Diesel System Looking for a reliable, proven, and power-packed single turbo setup for your 2003–2005 5.9L Cummins? The Stainless Diesel S468/83 Cast Turbo Kit delivers...

🔥 S468 Cast Turbo Kit – Complete 2nd Gen Swap for 2006–2007 Dodge Cummins | Stainless Diesel T4 System Looking for a proven, durable turbo setup that spools fast, stays cool, and handles high boost? The Stainless Diesel S468 Cast Turbo Kit is built...

🔥 5 Blade Mafia Premium S472/87 Turbo Kit – Complete 2nd Gen Swap System for 24V Cummins (T4) | All Upgrades Included Ready to step into elite territory? The 5 Blade Mafia S472/87 Premium Kit is our fully loaded, competition-capable single turbo system for...

🔥 5 Blade Mafia™ S475/87 Premium Turbo Kit – Complete 2nd Gen Swap System | T4 Mount | Built for Big Power Step into elite diesel performance with the 5 Blade Mafia™ S475/87 Premium Turbo Kit — a fully upgraded, no-compromise turbo system designed...

🌀 Cast BorgWarner 75mm Compressor Wheel with S475 5.00" Inlet Compressor Cover – Performance Upgrade for S400 Turbochargers Upgrade your S400-series turbo with this high-performance Cast BorgWarner 75mm compressor wheel and matching S475-style 5.00" inlet compressor cover. This combination is ideal for diesel performance builds...

Replacement Turbocharger for Borg Warner 171702 – High-Performance Solution Upgrade or replace your Borg Warner 171702 turbo with this high-performance direct-fit turbocharger. Engineered to deliver enhanced flow and durability, it’s ideal for twin turbo setups, high-horsepower street builds, and competitive motorsports. Key Features &...