# Proform 66621 | 66621 Flywheel Cover; Chrome; GM 350/400 Trans

### PROFORM 66621 APPLICATION SPECS:

### Attributes

-   Applications: GM 350/400 Transmissions
-   Category: Flyhweel Covers
-   Color: Chrome
-   Finish: Chrome

### Product Description

Chrome Plated Steel,Fit All GM 350/400 Transmissions,Bolts Not Included,Features High-Quality Triple-Chrome Plating,Allows Easy Access to The Torque Converter Area,Flywheel/Torque Converter Inspection Cover,Sold Each

### FAQ

**What part number is this?** The listed part number is 66621.

**Is this product designed for direct replacement?** Confirm the original part specifications and intended application before ordering.

**Should I confirm compatibility before ordering?** Yes. Compare the original part and specifications before ordering.

### Common Searches

-   Proform 66621
-   66621 specifications
-   Proform Flywheel Cover; Chrome; GM 350/400 Trans

## Details

- **Price:** 147.06 CAD
- **Vendor:** Proform
- **Type:** Flywheel Cover
- **Tags:** 66621, Flywheel Cover, Proform

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 147.06 CAD | In stock |

## Images

- Proform 66621 | 66621 Flywheel Cover; Chrome; GM 350/400 Trans

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/66621-vp-proform-518)
> Updated: 2026-10-20