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JPC Racing

JPC- '18-'22 TH400 Swap Package (Stage 1)

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$250.00 (Fixed Shipping Cost)

Here at Justin's Performance Center, we try to make transmissions swaps easy. Typically they involve a lot of guess work, a bunch of miss ordered parts and a ton of fab time. With years of install experience in our in house facility we've been able to develop quick and easy transmission swap packages to take out the guess work.

Our stage 1 TH400 package includes a TH400 built by Transmission specialties.

Rated to 850 HP Transbrake valve body direct drum modified for instant transbrake release clutch packs and unit end play clearance for "low drag" friction free performance.


Also included in the package -

  • CUSTOM Torque Converter - Custom spec'd to your application
  • JPC Billet SFI Flywheel (8 Bolt)
  • SFI Bell Housing (already mated to the transmission)
  • Flexplate Bolts
  • Polyurethane Transmission Mount
  • Derale Trans Cooler w/ fittings and 20ft of trans cooler lines
  • Hurst/M&M Shifter
  • Custom Built PST Driveshaft w/ Billet yoke
  • Flexible Braided Locking Dipstick
  • ARP Converter Bolts
  • All the required adapters and everything else you need!


Required: All 2018-2021 Mustangs Require a gen 1 or 2 Starter and Block plate.  





AEM Electronics X-Series temperature gauges are must-haves for highly accurate transmission temperature readouts in your high performance vehicle. X-Series digital gauges include new technological features that make them easier to use. They combine exceptional looks with increased visibility and a multitude of innovative and easy-to-use features for gauges like no other!

Features of AEM X-Series temperature gauges include: 

  • Auto-dimming sensor delivers ideal display brightness 
  • Programmable center LED is 87 percent larger than original AEM gauges
  • User-selectable standard or metric display (100 to 300 F/40 to 150 C)
  • User-selectable threshold warnings 
  • Peak/recall via gauge face buttons 
  • AEMnet CANbus-enabled for transmitting data to EMS or data logger 
  • 0-5 V analog outputs for transmitting data to EMS or data logger
  • 33 percent larger gauge face display makes it easier to see at a glance.
  • Standard 2 1/16 in. (52mm) diameter housings for easy mounting in gauge pods
  • Slim 0.825 in. overall depth and 0.200 in. cup depth--mount them virtually anywhere
  • Positive locking connectors provide secure connection


*** 2-3 Week Build Time Approximately ***