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Replacement Leaf Spring, Hub, Lift Kit and Wheel Tire for 2001 Keystone Cougar 278EFS  

Question:

I have a 2001 Keystone Cougar 278EFS fifth-wheel camper with 3500 lb axles. I want to replace the leaf springs. 4 leaf, 1.75 wide, 26.5 from spring mount to shackle mount, 3.5 unloaded. I also would like to raise the trailer up as Im going from a 2010 Silverado 1500 to a 2021 Silverado 2500 pickup. Thinking of going from a 5 bolt hub to the 6 bolt hub and replacing the 205/75R15D with 225/75R15D

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Expert Reply:

The best option for a trailer leaf spring replacement would be the 4-leaf 4,000 lb axle leaf spring part # e27SR. For a tandem lift kit you'd want the Lippert # RR23QX.

For hub drums to convert to a 6 lug wheel you'd want the part # 84656UC3-EZ which is correct for 3,500 lb axles so that you could install a tire and wheel in the size of 225/75R15 Load Range D like the # AM32664.

expert reply by:
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Jameson C

John

12/17/2020

I have a 2001 Keystone Cougar 278EFS fifth-wheel camper with 3500 lb axles. I want to replace the leaf springs. 4 leaf, 1.75 wide, 26.5 from spring mount to shackle mount, 3.5 unloaded. I also would like to raise the trailer up as Im going from a 2010 Silverado 1500 to a 2021 Silverado 2500 pickup. Thinking of going from a 5 bolt hub to the 6 bolt hub and replacing the 205/75R15D with 225/75R15D

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Jameson C.

12/17/2020

Based on that dimension the better spring option is the part # SP-220275 which is 25-1/4 inches and has a 4k capacity.
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