TCI Automatic Transmission Conversion Kit Four-Speed 4X 4L80E 875HP 28OZ Flexplate For 289/ 302/ 351W Engine



  • Exact Bellhousing
  • Lightweight Balanced Flexplate
  • GM-Style Transmission
  • Supports up to 875HP

TCI 4X Four Speed 4L80E 875 Horsepower Automatic Transmission Conversion Kit with 28oz Flexplate for 289, 302, and 351W Engines.

Every wanted to easily run over 800 horsepower in your first generation Mustang? The TCI 4X Four Speed 4L80E 875 Horsepower Automatic Transmission Conversion Kit 471800P12 with 28oz Flexplate is meant for 289, 302, or 351W engines. The externally balanced and lightweight flexplate will assist in delivering prized power in a GM-Style.

Features and Benefits:

- Supports Up to 875 Horsepower
- 28oz Balance Flexplate
- Includes Pilot Adapter, Dipstick and SBF Bellhousing
- Transmission cooler Comes With Transmission Fluid
- 4X Allows Externally Balanced SBF Engines to Run GM-Style Transmissions

The 4X 4L80E transmissions use Small Block Engine compatibility and an 28oz flexplate to easily run 875 horsepower as a 4L80E-based transmission behind your externally balanced SBF without the use of difficult adapter plates. CJ Pony Parts offers an easy adaptation proven to be compatible with 289, 302, and 351W engines by including the exact bellhousing, a special adapter flexplate, pilot adapter, dipstick and other accessories in a complete package. These kits bolt right up to your engine like a stock transmission.

Vehicle Fitment:
- 1965-1973 Mustang
- 1966-1977 Bronco
- 1948-1979 F100

Please Note: Custom driveline modifications may be necessary to complete the installation of this transmission conversion.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Mustang years:

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