💥 Twisted Street™ Ford C4 4x4 Transmission
Heavy-Duty Street Performance • 4x4 Applications
Rated 350–450 HP
Daily Driving • Restorations • Off-Road • Custom Builds
The Twisted Street™ Ford C4 4x4 is a heavy-duty, upgraded automatic transmission built for factory replacement and custom 4x4 applications requiring dependable street performance, smooth operation, and long-term reliability.
🚫 This is NOT a basic rebuild.
Every critical wear component is replaced and upgraded using Twisted Torque™ standards, making this transmission ideal for classic Ford trucks, early Broncos, off-road builds, and custom applications where durability and drivability matter more than race-only performance.
🔧 INTERNAL BUILD FEATURES – TWISTED STREET™
- Upgraded Frictions & Steels
- Modern friction materials provide improved holding power and heat resistance over OEM components.
- Wide Intermediate Band (Street Duty)
- Enhanced durability for daily driving, trail use, and light off-road operation.
- Updated Bushings & Bearings
- Reduces internal wear and improves hydraulic stability.
- New Seals & Gaskets Throughout
- Built leak-free for long-term reliability.
- Pump Modified & Updated the Twisted Torque™ Way
- Improved lubrication and pressure consistency for extended service life.
🔥 SHIFT CALIBRATION
- Smooth, street-friendly shift feel
- Slightly firmer, more controlled 1–2 and 2–3 shifts
- Improved lubrication to 4x4 output components
Designed for comfort, control, and longevity — not harsh or race-oriented.
⚙️ VALVE BODY
- Street / Heavy-Duty Valve Body (Forward Pattern)
- Calibrated for smooth operation with enhanced reliability under load.
Optional performance valve body upgrades available for higher-power builds.
🔧 BUILT FOR FACTORY & CUSTOM APPLICATIONS
This transmission is built for both direct replacement and custom 4x4 setups, including:
- Classic Ford 4x4 trucks
- Early Bronco builds
- Off-road and trail rigs
- Rock crawlers
- Dune buggies & sand rails
- Swamp buggies
- Custom 4x4 conversions
- Street rods and modified classics using a C4
👉 If your build uses a Ford C4 in a 4x4 configuration, we can build it.
🛻 4x4-SPECIFIC FEATURES
- Correct C4 4x4 output shaft configuration
- 4WD-ready case preparation
- Built to work with factory or aftermarket adapter setups
- Designed to interface with customer-supplied transfer case components
✅ BEST FOR
- Stock or mildly modified engines
- Daily-driven 4x4 vehicles
- Weekend trail and off-road use
- Light towing applications
- Restoration builds
- Vintage and custom 4x4 reliability upgrades
⭐ POWER RATING
Rated 350–450 HP
Designed for dependable street and off-road performance when properly matched with vehicle setup and supporting components.
⚠️ IMPORTANT – TRANSFER CASE NOT INCLUDED
This listing includes the C4 transmission only.
❌ Transfer case is NOT included
❌ Adapter housings, transfer case, and shifters are NOT included unless specifically stated
✔ Built to interface with your existing transfer case or adapter
Please verify your transfer case type, adapter, and output requirements before ordering.
✅ DIRECT FACTORY REPLACEMENT FOR
- Early Ford Bronco (1966–1977)
- Ford F-100 / F-150 4x4 (1969–1977)
- Factory and period-correct Ford C4 4x4 applications
Built with the correct 4x4 output shaft configuration for compatibility with factory and conversion setups.