Speedmaster®
Turbo 400 TH400 Aluminium Competition Transmission SFI 30.1 4.1 1800+ Hp
Product Information
Specs
| Brand: | Speedmaster |
| Part Number: | PCE432.1053 |
| Part Type: | Automatic Transmission |
| Number of Gears: | Three |
| Valve Body Style: | Billet Aluminum Reverse Pattern Full Manual |
| Transmission Advertised Horsepower Rating: | 1800 HP |
| Torque Converter Included: | No |
| Trans-Brake Included: | Yes |
| Lock Up Compatible: | No |
| Transmission Pan Style: | Deep |
| Transmission Pan Material: | Aluminum |
| Transmission Pan Finish: | Black |
| Tailshaft Length: | STD |
| Input Spline Quantity: | 30 |
| Input Shaft Material: | M300 Steel |
| Input Shaft Style: | TH400 |
| First Gear Ratio: | 2.1 |
| Second Gear Ratio: | |
| Third Gear Ratio: | - |
| Reverse Gear Ratio: | - |
| Clutch Hub: | Billet Steel |
| Transmission Case Style: | Aftermarket SFI |
| Transmission Case Material: | Aluminum |
| Transmission Case Finish: | Black |
| Transmission Shield Built In: | Yes |
| Fluid Fill Location: | OEM Case |
| Dipstick Included: | No |
| Safety Rating: | 30.1 / 4.1 |
| Quantity: | Sold Individually. |
| Retainers Included: | Yes |
| Retainer Material: | Chromoly Steel |
| Locks Included: | Yes |
| Notes: | Assembled in the USA. Case is SFI 4.1 Certified, Bolt on Bellhousing is SFI 30.1 Certified. |
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.