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Progressive Suspension
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Progressive Suspension 412 Series Heavy Duty 12.5in. Shocks - Chrome - 412-4219C

412-4219C

Description

Manufactured from the finest materials available
The 412s simple, durable design makes them a cost effective improvement to your motorcycles suspension performance
A five position cam style spring load preload adjuster lets you easily dial in your ride
Available with either a standard or heavy duty progressive spring rates
Sold in pairs
Made in the USA
Many fitments are available in either Standard or Heavy Duty. HD applications are recommended for bikes that are operated at or near the manufacturers maximum load rating over 50% of the time.
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.

Product Series

Application List

YearsMakeModelApplicationNotes
1997 - 2003HondaGL1500C/CD Valkyrie
1999 - 2001HondaGL1500CF Valkyrie Interstate
1997 - 2000HondaGL1500CT Valkyrie Tour
2002 - 2008HondaVTX1800CHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
2005 - 2008HondaVTX1800FHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
2002 - 2006HondaVTX1800RHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
2002 - 2006HondaVTX1800SHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
1996 - 1999KawasakiVN1500A Vulcan 1500Heavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
1996 - 2008KawasakiVN1500E Vulcan 1500 ClassicHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
1999 - 2001KawasakiVN1500G Vulcan 1500 NomadHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
1999 - 2005KawasakiVN1500J/R Vulcan 1500 DrifterHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
2000 - 2004KawasakiVN1500L Vulcan Nomad FIHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
2003 - 2008KawasakiVN1600A Vulcan 1600 ClassicHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
2005 - 2006KawasakiVN1600D Vulcan 1600 NomadHeavy Duty (Requires two rear cushion bolts Stock shock length is 12.25in.)
2004 - 2010TriumphRocket IIIHeavy Duty
2006 - 2009TriumphRocket III ClassicHeavy Duty
2007 - 2011TriumphRocket III Classic TourerHeavy Duty
2011 - 2018TriumphRocket III Roadster
2012 - 2014TriumphRocket III Touring

Shipping Information

  • Item Requires Shipping
  • 5.0 lbs.
  • W6.0000” x H10.0000” x L4.0000”
  • Free Ground Shipping (1 - 5 Days)