Westminster Transmission

C4

PT custom builds every transmission that leaves our shop, but we have a put together several levels to let you know what we offer, and a rough guideline on what you will need for your car.  So feel free to contact us today at (714) 898-0089 and discuss what is exactly right for you and your car.

Level 1 (up to 300 hp)
  • Basic Overhaul kit including:
    • New clutches/bands
    • New seals/sealing rings
    • New gaskets
    • New filter
  • Rebuilt valve body
  • New low/reverse molded servo piston
  • New low sprag
    • Stock depth pan
    • Rebuilt Torque converter
    Level 2 (up to 425 hp)
    • Basic Overhaul kit including:
      • New clutches/bands
      • Rigid 2nd gear band
      • New seals/sealing rings
      • New gaskets
      • New filter
    • Rebuilt valve body
    • New billet "C" intermediate servo piston
      • lip seal design for postitive hold
      • Teflon rings around stem to prevent leakage cause by worn servo bore
    • 5 clutch high gear drum
    • New low/reverse molded servo piston
    • New low sprag
      • Cast aluminum pan
      • Rebuilt Torque converter
      Same transmission used behind custom classic trucks off road 1970 Bronco, read about it here.

      Level 3 (up to 600 hp)
      • Basic Overhaul kit including:
        • New blue racing clutches clutches/bands
        • Rigid 2nd gear band
        • New seals/sealing rings
        • New gaskets
        • New filter
      • Rebuilt valve body
      • New billet "C" intermediate servo piston
        • lip seal design for postitive hold
        • Teflon rings around stem to prevent leakage cause by worn servo bore
      • 6 clutch high gear drum
      • New low/reverse molded servo piston
      • New low sprag
      • 300M input shaft
      • 6 pinion front planetary
      • fully rolerized gear train
      • Cast aluminum pan
      • Billet faced Torque converter, choice of stall
      Upgrades:
      • Aluminum high gear drum:  For those who want to lighten up their drive train and for heads up racing.  This drum sheds 60% of the weight from a stock steel drum and increases clutch and band life by reducing stress.
      • Billet forward drum:  Most common for transbrake applications this drum prevents breakage and cracking from happening around the splined area in the drum.
      • SFI bell housings:  Depending on your class certified bell housings are mandatory on any vehicle running 9.99 or quicker.  WPT offers bell housings that fit your C4 that are certified and even some that fit different motors, making your transplant easier, including those for small block and big block ford, modular motors, FE and even Y block fords. 
      Accessories:
      • Transmission coolers:  WPT offers several sized coolers for whatever your load, whatever your horsepower.  We even can make a custom cooler for your confined space or desert runner.  We offer standard cooler or those with an integrated fan for spaces with no direct air flow.
      • Transmission yokes:  Depending on your application, whether street strip or off road there are several yokes or couplers to choose from.  WPT is a dealer for several suppliers and can get several levels from a basic forged standard u joint size to a fully billet, barrel hardened yoke with massive 1480 joints. 
      • Shifters:  choosing a shifter is one of the keys to defining the style and appeal of the interior of your car.  whether it is a classic street car or a full race car WPT can hook you up with a shifter to suit your needs so you hit every shift on time every time.
      • Dipstick and tube:  Either a standard style tube to give the factory like look or flexible style to allow universal mounting anywhere on your firewall. 
      • Transmission mounts: Available in polyurethane, rubber or solid mounts, WPT can outfit your transmission with a mount that fits your exact car perfectly.
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