# Proform 66774 | 66774 Valve Spring Tester-300LB; Heavy Duty

### PROFORM 66774 APPLICATION SPECS:

### Attributes

-   Category: Spring Tester-300LB
-   Tool Sub Type: Analog
-   Tool Type: Valve Spring Testers

### Product Description

For Vise or Bench Mount Use,Has a 300LB Rating,This Heavy Duty Model Can Check Springs Up to a 2 Inch Maximum Spring Diameter and a 4 Inch Maximum Height,Engine Valve Spring Tester,Made from Lightweight Billet Aluminum,Red Finish

### FAQ

**What part number is this?** The listed part number is 66774.

**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 66774
-   66774 specifications
-   Proform Valve Spring Tester-300LB; Heavy Duty

## Details

- **Price:** 1069.42 CAD
- **Vendor:** Proform
- **Type:** Valve Spring Tester-300LB
- **Tags:** 66774, Proform, Valve Spring Tester-300LB

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1069.42 CAD | In stock |

## Images

- Proform 66774 | 66774 Valve Spring Tester-300LB; Heavy Duty

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/66774-vp-proform-518)
> Updated: 2026-10-21