2018-2023 TH400 Completion Kit S550 | NGP

Next Gen Performance TH400 Completion Kit | 2018–2023 Mustang GT (S550)

The Next Gen Performance TH400 Completion Kit provides everything you need to install a TH400 transmission in your 2018–2023 Mustang GT. Designed for both street and race applications, this all-inclusive kit ensures a clean, straightforward installation with high-quality components built to handle serious power.

Kit Includes:

• Hurst Shifter

• S550 Shifter Plate

• 8-Bolt SFI Flexplate

• Derale Transmission Cooler with fan, 23 ft of -6 AN hose, and fittings

• Next Gen Custom TH400 Transmission Crossmember

• Urethane Transmission Mount

• Braided Flexible Dipstick

• ARP Flexplate Bolts

• JW Steel Crank/Pilot Adapter Sleeve (Optional)

• Custom PST 4" Driveshaft with Strange Billet Yoke (Optional Upgrade to Carbon Fiber Driveshaft)

Features & Benefits:

• Complete bolt-in solution for 2018–2023 Mustang GT TH400 swaps

• Includes premium Derale trans cooler for maximum reliability

• Supports optional driveshaft upgrades (aluminum or carbon fiber)

• Built with high-quality, race-proven components for perfect fit and performance

Simplify your S550 TH400 swap with the Next Gen Performance TH400 Completion Kit — engineered for precision, durability, and power.