4-Speed Aluminum Bellhousing, GM 621
Product details
| Management number | 215292391 | Release Date | 2026/04/12 | List Price | $153.20 | Model Number | 215292391 | ||
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This reproduction bellhousing is a permanent-mold, low-pressure casting from A356.2 aluminum that is thicker, weighing 3 pounds heavier than the original, while maintaining a factory appearance. CNC machined and heat treated to T6 specifications, this bellhousing features extensive reinforced webbing, clutch fork opening, threaded pivot bolt hole and GM casting number. Accepts Saginaw, Muncie, Borg-Warner and Tremec TKO/T56 transmissions with a 4-5/8" pilot bore. Fits up to 11" clutch on a 168 tooth flywheel. Also fits 153 tooth flywheel when used in conjunction with the proper starter. A356.2 Aluminum. 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.
- A356.2 Aluminum
- 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 | 56 pounds |
| Manufacturer | Speedway Motors |
| Item model number | 926372530 |
| Product Dimensions | 24 x 20 x 16 inches |
| Manufacturer Part Number | 926372530 |
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Bell Housings
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