Progressive Suspension 412 Series Shock Absorbers




















The stock-like appearance make these shocks an ideal replacement for the OEM equipment. They feature high technology with precision ground, hard-chromed steel shafts, double walled steel bodies to protect the inner cylinder and 5-position spring pre-load adjustment. Besides the "Regular" line a large part of the shock selection is also offered in a Heavy Duty version. These shocks are recommended for riders that are 250 lbs or more or riding two up more than 50% of the time.
- Shock absorbers »Regular« by Progressive Suspension
- fits FL/FX 1973-1985
- steel / spring steel, chrome-plated
- length: 305 mm
- shock eyelet: 12.9 mm
- spring rate: 300/350 lbs/inch
- with spring adjustment wrench
- replaces Harley-Davidson part number HD 54500-81
- with parts certificate
- gross weight: 4.8 kg
Shock Eyelet Inner Diameter
We specify the inner diameter of the shock absorber eyelets, without additional bushings.
All our shock absorbers are designed by their manufacturers for specific models and do not fit on other models.

Have any questions?
Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com