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๐ Elevate your truckโs rideโbecause your workhorse deserves the best!
The KYB 565121 MonoMax Gas Shock is a heavy-duty monotube shock absorber designed for trucks, delivering up to 40% more damping performance than standard shocks. Featuring a zinc-coated stainless steel piston ring and protective rubber boot, it offers fade-free, durable handling in tough conditions, making it ideal for heavy loads, towing, and off-road use.

| ASIN | B00I041SCC |
| Auto Part Position | Center |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #421,208 in Automotive ( See Top 100 in Automotive ) #17 in Automotive Performance Shocks & Struts #1,577 in Automotive Replacement Shocks |
| Brand Name | KYB |
| Compatible with Vehicle Type | Car, Truck |
| Customer Reviews | 4.2 4.2 out of 5 stars (47) |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00781552676089 |
| Included Components | Shocks and Struts |
| Item Type Name | Shocks and Struts |
| Item Weight | 4 Pounds |
| Manufacturer | KYB |
| Manufacturer Part Number | 565121 |
| Manufacturer Warranty Description | KYB Limited Warranty warrants to the original retail purchaser that each new KYB product purchased from an authorized KYB dealer shall be free from defects for the specific periods listed below, when used on private passenger vehicles and light trucks for personal use under normal operating conditions. Warranty Period A. lifetime: All KYB Shocks Absorbers, Struts, and Strut Cartridges (Except KYB โฆ |
| Material Type | Rubber, Stainless Steel |
| Model Number | 565121 |
| OEM Equivalent Part Number | 565121 |
| Part Interchange Info | 565121 |
| Set Name | KYB MonoMax |
| Style Name | Heavy Duty,Monotube |
| UPC | 781552676089 |
| Unit Count | 1.0 Count |
D**A
2008 f350
Just installed on my 2008 f350 powerstroke, crew cab short box... stock height. You don't realize how bad your shocks get, until you replace them. The truck rides like it should. Stiff, but comfortable. Absorbs small stuff beautifully, no more cab roll, no more nose dive when braking. Difficult to compress when installing, two people would have been easier. Couldn't decide between these or bilstein 5100. Extremely happy with this purchase so far... time will tell. This is a 8k pound truck. If you want it to ride like a Cadillac.... buy a Cadillac.
K**.
Great shocks.
Just installed these on my 2015 super duty crew cab 4wd Platinum. Shocks have that OEM ride feeling. Truck rides and handles great.
K**E
To small for good performance, updated 6-8-2024
They are small diameter shocks, half the size of my Rear KYBs, or the RS9000 they replaced, haul a 28 ft bumper pull toy hauler with a utv rack in the bed with a KRX1000 on it, they work well for a bit when cold, but on long drives 6 hours plus they fade and loose their rebound, if you get out and feel the shock they are hot, in my opinion there isnโt enough oil volume to keep them from fading, the rear KYB does fine, as for the ride empty they are stiff but not horrible, itโs what I expected to get with KYBs description of them, if you do a lot of unloaded miles I would pass on them or get the RS9000, they are adjustable and I got over 150000 miles on them and on full stiff they were spot on for towing 6-8-2024 Already blew the seals out of the front shocks, and one rear, really wouldn't recommend them
A**R
Bolted in easily so on the road quickly
Everything in box and was complete. Installed with out a problem
S**H
Perfect fit
These shocks are stiff but thatโs what I needed for my truck. I was missing upper bushings and top plate be sure and check for all parts before starting I had to use parts off of my old shocks
C**H
Staying with stock
Value for the money. And manfacture for stock height.
K**R
Too stiff
Way too stiff even for a 1 ton. I put them on my 350 ford and now it's bouncy and rides like s##t. Actually ordered another set because I thought something was wrong with them.
G**N
Better than stock OEM shocks
I replaced the stock OEM shocks, which were giving me issues, with these. I have a 2015 f250. These made such a big difference.
Trustpilot
4 days ago
1 week ago