# Proform 66755 | 66755 Header Bolts; Hex Head; M8 X 1.181in L

### PROFORM 66755 APPLICATION SPECS:

### Attributes

-   Applications: Fits GM LS Engines with 3/8-inch Wide Flange
-   Category: Header Bolts
-   Color: Nickel Plated
-   Diameter: 8mm
-   Finish: Nickel Plated
-   Length: 1.181 inch
-   Material: Steel
-   Part Type: Header Bolts

### Product Description

12 Pcs in kit,Hex Head Type,Shiny Nickel Plated Finish,12.9 Steel,Fits GM LS Engines with 3/8" Wide Flange,Engine Header Bolts,M8 Thread X 1.181 Inch Long,Wedge-Locking Technology

### FAQ

**What part number is this?** The listed part number is 66755.

**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 66755
-   66755 specifications
-   Proform Header Bolts; Hex Head; M8 X 1.181in L

## Details

- **Price:** 124.42 CAD
- **Vendor:** Proform
- **Type:** Header Bolts
- **Tags:** 66755, Header Bolts, Proform

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 124.42 CAD | In stock |

## Images

- Proform 66755 | 66755 Header Bolts; Hex Head; M8 X 1.181in L

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/66755-vp-proform-518)
> Updated: 2026-10-20