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Rear SumoSprings are a maintenance-free suspension enhancement built to create a better journey. Handmade from micro-cellular polyurethane, they are designed to reduce rear-end sag and increase load carrying ability while decreasing vibration, stabilizing sway, and softening harsh rebounds.
The SSR-629-47 has a 1,800 lb capacity when compressed at 50%. The Black SumoSprings shouldn’t be compressed past 65% of their original height in order to keep full memory rebound.
I purchased the SSR-629-47 SumoSprings for a 200 series Land Cruiser. They installed easily and when unloaded had about 1/2 inch of clearance between the axle and SumoSpring. I was concerned that the ride would suffer when hitting bumps when unloaded but found an undetectable difference in ride quality. I pull a RV with a heavy tongue weight. The OEM bumper stop would on occasion bottom out with the range of rear coil spring travel. The SumoSpring has solved that problem. I increased the weight distribution hitch setting to increase front axle loading to compensate for less rear sag. Overall a very good investment.
5 out of 5
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Lexus LX570 4 X 4 (2008-2022); Toyota Land Cruiser 200 4 X 4 (2008-2022)
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