Progressive Suspension PS-412-4029C 412 Series 13.5" Rear Shock Absorbers w/Full Covers Chrome for Big Twin 58-72
Progressive Suspension PS-412-4029C 412 Series 13.5" Rear Shock Absorbers w/Full Covers Chrome for Big Twin 58-72 is backordered and will ship as soon as it is back in stock.
Progressive Suspension PS-412-4029C 412 Series 13.5" Rear Shoc...
Description for Progressive Suspension 412 Series Shocks with Covers
The 412 Series shocks are simply the best value shock on the market today with their simple, durable design. They will be an improvement to your motorcycle's suspension performance over the stock units. The doublewall steel body construction with nitrogen charged, multi-staged velocity sensitive valving gives you smooth, consistent damping. A five-position cam style preload adjuster lets you dial in your ride. Available in full show chrome or black with progressive rate springs in Standard or Heavy-Duty.• All Steel double wall damper with multistage velocity sensitive damping
• 5-position cam style preload adjuster
• High Pressure Gas Charged for consistent damping performance
• Full spring Cover for a clean look
• 1 Year Warranty
Product Specs for Progressive Suspension 412 Series Shocks with Covers
| Shock Length: | 11", 12", 13.5" |
|---|---|
| Duty Rating: | Heavy Duty, Standard / Heavy Duty, Standard Duty |
| Color: | Black, Chrome |
| Adjustable: | Yes |
| Shock Style: | Gas Filled |
| Style: | 412 |
Note: When shocks are different than stock length, clearance must be carefully checked for potentially dangerous interference.
Fitment Notes & Exceptions
- Shock lengths are measured fully extended, eyelet to eyelet on centers
- Changing ride height can potentially change many carefully-engineered attributes of your bike, including trail and mechanical trail
- A change in ride height at one end of the vehicle usually will require a change at the other end
- Heavy Duty shocks are recommended for bikes operated at or near the OEM maximum load rating over 50% of the time
- Prior to purchasing shocks that are different than your OEM length, please verify that wheel and suspension travel can be altered without causing clearance issues - common interference spots include swingarm, axle, frame, tire, fender, chain/belt and guard, and exhaust
**Please Note: The fitment information below has been generated as a guide and may not be 100% accurate. Please contact us if you require further assistance.
- Harley Davidson FL: 1958-1965
- Harley Davidson FLH: 1958-1972
- Harley Davidson Super Glide FX: 1971,1972
(Part Numbers: ROL-PS-412-4029C)
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