# Progressive 13-1240B Magnum O/R Shok 15in

With shock and fork spring fitments all the way back to 1949, Progressive Suspension likely has the suspension setup you need for your restoration, AHRMA racer or vintage machine. The 12, 13 & 14 Series dampers are sold as damper sets and can be mated to a number of springs to properly tune for your application.

This Part Fits:

Year

Make

Model

Submodel

1978-1979

Bultaco

Frontera 250

Base

1978-1979

Bultaco

Frontera 370

Base

1977-1979

Bultaco

Pursang 250

Base

1977-1979

Bultaco

Pursang 370

Base

1977

Can-Am

175 MX-3

Base

1984-1986

Honda

CB700SC Nighthawk S

Base

1978-1980

Husqvarna

CR125

Base

1977-1978

Husqvarna

CR250

Base

1977-1978

Husqvarna

CR390

Base

1977-1980

Husqvarna

WR250

Base

1979-1980

Husqvarna

WR390

Base

1978-1979

Maico

400 Enduro

Base

1978-1979

Maico

450 Enduro

Base

1978-1979

Suzuki

DR370

Base

1978-1979

Suzuki

PE175

Base

1977-1979

Suzuki

PE250

Base

1977-1978

Suzuki

RM125

Base

1977

Suzuki

RM370

Base

1982

Suzuki

SP500

Base

1976-1981

Yamaha

TT500

Base

1976-1981

Yamaha

XT500

Base

## Details

- **Price:** 351.75 CAD
- **Vendor:** Progressive
- **Type:** Shocks and Struts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 351.75 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/progressive-13-1240b-magnum-o-r-shok-15in)
> Updated: 2026-06-27