# Spectre GM TH350/400 Torque Converter Bolts 3/8in.-24 x 5/8in. (Grade 8)

Spectre Torque Converter Bolt & Lock Nut Set was designed to fit General Motors TH350, Powerglide, and many TH400 transmissions. Measuring 3/8 inch-24 by 5/8 inch, these bolts are grade 8 and black oxide plated for corrosion resistance and include security lock nuts. Manufactured using high quality materials, this product is engineered for optimum fit and function.

-   Bolts are grade 8, black oxide plated for corrosion resistance
-   Engineered For Optimum Fit And Function

## Details

- **Price:** 35.8 CAD
- **Vendor:** Spectre
- **Type:** Hardware Kits - Other

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 35.80 CAD | In stock |

## Images

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- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/spectre-gm-th350-400-torque-converter-bolts-3-8in-24-x-5-8in-grade-8)
> Updated: 2026-08-15