For 8K 8000lbs Single Trailer Axle 6 Leaf 4000lbs Leaf Springs + U-bolt Kit
For 8000lbs Trailer Axles. ①2 × Trailer Leaf Spring 6 Leaf. Trailer Leaf Spring’s Feature · For 3″ dia round trailer axle. ②5200-7000lbs Axle U-bolt Kit. 5,200-7,000lbs Axle U-bolt Kit’s Feature · Include:① 4 x 7″ long U bolts;.