| Part | Manufacturer | OEM Part # | Price | Notes |
| 4 Speed, Borg Warner |
| Extension Housing |
| 4" | FOR | EOTZ7A039D | 187.57 | Contact Dealer for most current part and price information. Order By Transmission Description. For Complete Gasket Set Order One Of Each Of The Following. |
| 12" | FOR | EOTZ7A039C | 265.90 | Contact Dealer for most current part and price information. Order By Transmission Description. For Complete Gasket Set Order One Of Each Of The Following. |
| 4 Speed, Ford Top Shift O/D |
| Extension Assembly | FOR | E4TZ7A039D | 291.32 | Contact Dealer for most current part and price information. |
| 4 Speed, New Process 435 |
| Extension Housing | FOR | NO LISTING | 0.00 | |
| 4 Speed, Overdrive |
| Extension Housing | FOR | D8UZ7A039A | 319.52 | Contact Dealer for most current part and price information. For Complete Gasket Set Order One Of Each Of The Following. |
| 5 Speed, ZF |
| Extension Housing | FOR | E8TZ7A039E | 311.98 | Contact Dealer for most current part and price information. |