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Bumpy pavement and rough boat ramps don’t have to shake your trailer apart. This 3-leaf double-eye spring flexes to take the hit so your load doesn’t have to. With a spring capacity of 1,250 lbs and a 2,500 lb axle rating, it smooths out the ride and keeps things level even when the road isn’t. The spring deflects about 1.43 inches at full load, helping your trailer track steady and resist bounce mile after mile.
Getting a good fit matters when you’re replacing worn springs. This one measures 25-1/8" from eye center to eye center (unloaded) and 1-3/4" wide, matching the common hanger spacing used on small and mid-size trailers. It drops right into your existing setup with hangers at about 25-3/4" spacing once loaded, restoring correct geometry so your shackles hang at the right angle.
A sagging spring can throw off alignment and wear out tires fast. This replacement is built from strong steel leaves (3 total, each 5/16" thick) for long service life under load. The included nylon bushings have a 9/16" inner diameter (11/16" without bushing) so standard suspension bolts slide right in. That combination resists wear, cuts down on squeaks, and keeps movement smooth through every cycle.
Whether you’re fabricating new mounts or swapping out old parts, this spring pairs cleanly with most double-eye hanger kits such as single-axle setups around 3-1/4" front / 1-1/4" rear hanger height. Replace both sides together to keep alignment true and ride height even. Once installed, it brings back proper support and lets your trailer handle its rated weight the way it should—solid, balanced, and dependable.
| Part Number | A | B | C | D |
|---|---|---|---|---|
| e66SR | 12-9/16" | 13-5/16" | 25-1/8" | 3-3/16" |

Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews

Richard
11/18/2024
Very happy how they installed and preform
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Brooke M.
3/19/2024
We do too! All joking aside, thank you for the review, and we do hope to have you back soon.