4-Speed Aluminum Bellhousing, LS621
Product details
| Management number | 215292068 | Release Date | 2026/04/12 | List Price | $158.80 | Model Number | 215292068 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
This bellhousing is modeled after the famous "621" and designed to bolt to Gen III LS-engines. This bellhousing, along with a 168 tooth flywheel and 11" clutch, allows the use of an original 4-speed Saginaw, Muncie, or Borg-Warner transmission, including the original clutch linkage and starter. Made from CNC machined heavy cast aluminum, heat-treated and reinforced with extensive thick webbing, this is one of the strongest cast aluminum bellhousings available. Depth/ thickness mounting surface to mounting surface is 6 3/8" Clears 168 tooth 14" Flywheels with factory 11" clutch discs. Works with GM transmissions with a 4.675" O.D. Bearing Retainer. 1/2"-13 tapped hole for z-bar manual clutch linkage, if needed.
- Depth/ thickness mounting surface to mounting surface is 6 3/8"
- Clears 168 tooth 14" Flywheels with factory 11" clutch discs
- Works with GM transmissions with a 4.675" O.D. Bearing Retainer
- 1/2"-13 tapped hole for z-bar manual clutch linkage, if needed
| Brand | Speedway Motors |
|---|---|
| Model | Speedway Motors |
| Exterior | Machined |
| Position | Center |
| Item Weight | 21 pounds |
| Manufacturer | Speedway Motors |
| Item model number | 926372529 |
| Product Dimensions | 17 x 17 x 9.5 inches |
| Manufacturer Part Number | 926372529 |
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form