# Wilwood Caliper Piston Spring .77/1.22 ODx1.00

Caliper Piston Knock Back Springs. Used in low brake pedal situations due to piston knock back caused by vibration, mount or spindle flex. Part # 300-2434 (1.22” diameter) is used with Wilwood’s conventional stainless steel pistons from 1.62” to 1.88” diameter. Spring use in stainless pistons require a relief cut not present in earlier versions of pistons. Please check your application before ordering.

## Details

- **Price:** 32.25 CAD
- **Vendor:** Wilwood
- **Type:** Brake Hardware

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 32.25 CAD | In stock |

## Images

- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wilwood-caliper-piston-spring-77-1-22-odx1-00)
> Updated: 2026-08-18