Transmission:    4R70W - 500

The first level of performance at SPT is the 4R70W-500.  We consider it an improved alternative to stock replacement.  It is fully rebuilt using F7 or newer cores we have available.  Each unit is fully inspected for wear, all gaskets and seals are replaced with quality new pieces, and final clearances are adjusted for performance use.

SPECS:

- Pump and stator modified for best cooler flow and lubrication

- Updated Ford special hardened input shaft (stub shaft)

- Raybestose High Energy clutches (4 INT, 4 REV, 5 FWD, 6 DIR)

- All stamped steel drums with greatest capacity

- Wide ratio gearing standard

- 2” Pro Series overdrive band

- 2.7” overdrive servo

- Updated accumulators with custom spring combinations

- Mechanical diode with improved snapring

  1. -Lube mods (force lubricated high heat or wear components for greater reliability and service life)

  2. -SPT-4R1 Series valve body (see Valve Body section for details)

- All new electronic solenoids and sensors

- Stock deep sump pan and filter

- High-temperature aluminum paint finish

- OPTIONS (contact for details)

    - Tailshaft lube (suggested for numerically high gearing) +$

    - Converter (prices vary by vehicle spec)

    - Cooler: 11” x 12” x 3/4” stacked plate +$

    - Cast aluminum deep pan +$

    - Temperature Sensor +$

Transmissions:

4R70W - 500

4R70W - 700

4R70W - 950

Valve Bodies:


AOD