Twisted Street™ TH400 Performance Transmission

GM TH400 Performance Transmission | Twisted Street™ 450 HP

GM TH400 Performance Transmission – Twisted Street™ Up To 450 HP

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$1995.00
Part Number: TT-TH400-ST-450
Total Price:$1995.00

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SKU: TT-TH400-ST-450
Brand: 4

Product Description

🔥 Twisted Street™ TH400 Performance Transmission

⚠️ Chevrolet (Chevy) Case Configuration Only

✔ Includes 4" Tail Housing Configuration

💪 Rated Up To 450 HP

🚗 Daily Driver • Cruiser • Muscle Car • Street Performance

Built for reliability. Built for drivability. Built the Twisted Torque™ way.

The Twisted Street™ TH400 is designed for customers who want more than a stock rebuild without stepping into a full performance transmission.

Whether you're driving a classic muscle car, weekend cruiser, street truck, or mild performance build, the Twisted Street™ TH400 delivers the durability and dependability that made the legendary GM Turbo 400 one of the strongest automatic transmissions ever built.

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⚙️ WHY CHOOSE A TH400?

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✅ Rated Up To 450 HP

✅ Legendary TH400 Durability

✅ Excellent For Street Performance

✅ Proven Behind Small & Big Block Applications

✅ Improved Shift Quality & Reliability

✅ Stock Stall Converter Included

✅ Built In The USA

The TH400 remains one of the most respected automatic transmissions ever produced, known for its strength, simplicity, and long-term reliability.

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🔧 TWISTED STREET™ PERFORMANCE PACKAGE

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✔ Twisted Torque™ High-Energy Clutches & Steels

✔ Heavy-Duty Master Rebuild Kit

✔ Complete Bushing Replacement

✔ Complete Bearing & Thrust Washer Replacement

✔ Rebuilt & Calibrated Pump Assembly

✔ Modified Valve Body Assembly

✔ TransGo® Shift Improvement Components

✔ Street-Tuned Shift Calibration

✔ 34-Element Intermediate Sprag Upgrade

✔ HD Intermediate Band

✔ High-Flow Transmission Filter

✔ New Vacuum Modulator

✔ Updated OEM Hard Parts As Required

Every transmission is professionally rebuilt, upgraded, and assembled in-house by the team at Twisted Torque™.

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🚙💨 STOCK STALL CONVERTER INCLUDED

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Every Twisted Street™ TH400 includes a stock stall torque converter.

Typical stall speed ranges from approximately 1450-1650 RPM depending on engine combination and vehicle weight.

Ideal For:

✔ Stock Engines

✔ Mild Performance Builds

✔ Cruisers

✔ Muscle Cars

✔ Street Trucks

Provides smooth engagement, excellent low-speed drivability, and dependable performance.

Higher stall converter upgrades are available for camshaft, supercharged, turbocharged, and specialty applications.

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⚙️ PUMP, VALVE BODY & HYDRAULICS

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🔧 Rebuilt & Calibrated Pump Assembly

Pump circuits are inspected and calibrated to maintain proper pressure and long-term durability.

🔧 Modified Valve Body Assembly

Hydraulic updates improve shift quality, reduce clutch slip, and provide more consistent transmission performance.

⚙️ TransGo® Shift Improvement Components

Provides quicker clutch apply rates, reduced heat, and improved transmission life.

⚙️ Street-Tuned Shift Calibration

Clean, positive shifts without excessive harshness.

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⚙️ COMPLETE REBUILD PROCESS

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Every Twisted Street™ TH400 receives:

✔ Complete Disassembly

✔ Professional Cleaning

✔ Full Inspection

✔ New Seals & Gaskets

✔ New Bushings

✔ New Bearings & Thrust Washers

✔ Hard Part Inspection

✔ Precision Assembly

✔ Final Inspection Prior To Shipment

No shortcuts. No reused wear items.

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🚙 COMMON APPLICATIONS

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✔ Chevrolet Chevelle

✔ Chevrolet Camaro

✔ Chevrolet Nova

✔ Chevrolet El Camino

✔ Chevrolet C10

✔ Pontiac GTO

✔ Buick GS

✔ Oldsmobile 442

✔ Custom Street Rods

✔ Big Block Street Cars

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📌 CONFIGURATION

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✔ Chevrolet (Chevy) Case Pattern

✔ 4" Tail Housing Included

✔ 2WD Configuration

✔ Floor Shift & Column Shift Compatible

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⚙️ AVAILABLE UPGRADES

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✔ Higher Stall Torque Converters

✔ Deep Aluminum Transmission Pan

✔ Full Synthetic Transmission Fluid

✔ Performance Converter Upgrades

✔ Additional Performance Upgrades Available

Built specifically for your vehicle, engine combination, and intended use.

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🛡️ BUILT THE TWISTED TORQUE™ WAY

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✔ Fully Rebuilt

✔ Internally Upgraded

✔ Precision Assembled

✔ Professionally Inspected

✔ Built By Transmission Professionals

When reliability matters, shortcuts aren't an option.

🔥 Twisted Street™ TH400 — Legendary Strength. Proven Reliability. Built Twisted. 🔥