Progressive Suspension Series 412 without Covers Shock absorberRef : PRSU00064A / PS4048B

Manufacturer reference: 412-4048B - Series 412 Shock Absorber without covers by PROGRESSIVE SUSPENSION.

Designed for Harley and vintage/touring customs, this Series 412 shock absorber offers a robust and straightforward solution for those looking to enhance road handling without complications. Coverless version in black finish, steel body and gas charged for consistent performance over long distances and varied roads.

• Preload adjustment: 5-position cam for quickly adjusting spring firmness according to load and riding style.
• Duty: Heavy — suitable for demanding uses and frequent loads.
• Extended length (C–C): 320.00 mm (12.60").
• Reservoir: internal; Material: steel; Method: gas charged.
• Made in the USA.

Important: all shock absorbers are measured centre to centre. A shock absorber that is slightly longer or shorter than the original may alter the rake angle and steering responsiveness. Before installation, check clearances and travel (swingarm, exhaust, belt/chain guard). Heavy Duty models are recommended if you frequently ride near the manufacturer's maximum load.

Common compatibility: Harley Dyna (e.g. FXDLS, FXDWG, FXDL). Ideal choice for riders seeking a balance between travel comfort and proven mechanical handling.