Description
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.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 08:55:34
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: piston)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Wilwood, Wilwood Disc Brakes |
| StreetFX SKU | wil300-2434 |
| SFX Item ID | 4407141 |
| Accounting SKU | wil-300-2434 |
| Manufacturer SKU | 300-2434 |
| Manufacturer UPC | 889545025774 |
| Alternative References | WIL-300-2434 |
SPRING, TAPERED, PISTON, .77/1.22 OD x 1.00
Wilwood brake caliper piston knock-back springs are used in low brake pedal situations due to piston knock-back caused by vibration, mount, or spindle flex. Wilwood offers a choice of spring options to use with their Thermlock pistons and their conventional stainless steel pistons.
Please note: Spring use in stainless pistons requires a relief cut not present in earlier versions of pistons. Please check your application before ordering.
| Product Attributes | |
|---|---|
| UPC | 889545025774 |
| Brand | Wilwood Disc Brakes |
| Notes | For Wilwood caliper piston from 1.620 in. to 1.880 in. diameter. |
| Quantity | Sold individually. |
| Part Type | Brake Caliper Replacement Components |
| Product Line | Wilwood Brake Caliper Piston Knock Back Springs |
| Manufacturer's Part Number | 300-2434 |
| Brake Caliper Replacement Component Type | Piston spring |
Compatibility
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