Manufactured from the finest materials available

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  • Manufactured from the finest materials available
  • Designed specifically for Harley models
  • 412 Series steel spring shocks are nitrogen gas-charged with multi-stage automatic valving and an adjustable spring preload; proven under extensive testing; easily installed; available in all black or with chromed springs and end caps (shock cartridge is not chrome)
  • Available in standard shocks for the average single rider or heavy-duty
  • Heavy duty applications are recommended for bikes that are operated at or near the manufacturer's maximum load rating over 50% of the time
  • TüV approved

NOTE: All shocks are measured center-of-eyelet to center-of-eyelet.

NOTE: CHR denotes chrome shock part numbers; BLK denotes black shock part numbers.

NOTE: When installing shocks on 79-85 XL models, it may be necessary to modify or space the chain/belt guard to allow proper clearance.

NOTE: A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering.

NOTE: A shock which is slightly shorter than stock may alter the head angle slightly and provide somewhat slower steering.

NOTE: For OEM shock lengths, see Quick Reference Guide in the back of the OldBook.

NOTE: Some or all shocks listed have TüV approval. Refer to most recent TüV certificate for current listing.

NOTE: Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues such as, swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.

PS4001B     412 SERIES HARLEY 12.5" B 4124001B
PS4002B     412 SERIES HARLEY 13.0" B 4124002B
PS4003B     412 SERIES HARLEY 13.5" B 4124003B
PS4022B     412HD SERES HARLEY 11"B 4124022B
PS4050B     412HD SERES HARLEY 12"B 4124050B

  • Product Name:HEAVY DUTY 412 SERIES BLACK
  • Product Reference: PS4001B
  • By Progressive Suspension
  • Price: US$
  • Product Width: 0.00 in
  • Product Height: 0.00 in
  • Product Depth: 0.00 in
  • Product Weight: 10.50 lbs
  • Description: Manufactured from the finest materials available

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Our catalog is based upon original part numbers, so if you know the part number you need you can fill out the SEARCH field to find your product.

Note that some products have options and variations. Those options are usually about finishing material (ie. chrome or black) or year/model of the motorcycle, so pay attention to make the right selection.

Once you select your product click on add to cart, open the cart and finalize your shopping. LCS MOTORPARTS webstore DOES NOT provide an automatic calculation of shipping, so you will be charged by products in your cart only and shippment costs will be charged later via Paypal. 

If you need an estimate before buy, don't hesitate to contact us by email or calling (786) 227-6980.


All return merchandise had to be made through authorization of LCS Motorparts with a RMS (Return Merchandise Authorization) number. So please, contact us about your returns before take any action.

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