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In order to obtain the Best Trailer Springs (2021), our powerful platforms and experts have taken many criteria into account such as product fitness for use, features that meet buyers needs and give buyer satisfaction, deficiency-free, conformance of standards, quality/price ratio, reliability, robustness, quality conformance to needs and regulations, safety, real customer satisfaction and lots of others. It is worth to mention that each user has different needs so please use the below shortlist as a guide and not as a gospel. Nonetheless, in the below benchmarking you can definitely find the overall best ones despite your requirements.
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Best Trailer Springs
- Two 4-Leaf Double Eye Spring 25 1/4″ Eye to Eye, 1 3/4″ wide, 1750 lbs. capacity each
- One single hanger kit
- One 2 3/8″ round ubolt kit
- (4) 6 Leaf 25 1/4″ x 1 3/4″ Trailer Double Eye Spring for 7000 lb Axles
- (8) 7″ Long U-bolts
- (4) U-bolt Tie Plates for 1-3/4″ or 2″ Spring
- (16) 1/2″-20 Hex Nuts
- L=7″ A=3″ D=1/2″
- (2) 5 Leaf slipper Spring for 7000 lb Axles
- (4) 7″ Long U-bolts
- (2) U-bolt Tie Plates for 1-3/4″ or 2″ Spring
- (8) 1/2″-20 Hex Nuts
- L=7″ A=3″ D=1/2″
- SW4B Trailer Spring – 25-1/4″ Double Eye 4-Leaf Spring 1-3/4″ Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)
- Length from center of spring eye to center of spring eye: 25-1/4″
- Spring width: 1-3/4″, Eye diameter with bushing: 9/16″
- Leaf Thickness 5/16″, Number of leaves: 4
- Equivalent to UNA212, UNA-212, SW4B, PR4B, LIB-401-DE, 93184, 9150014, 72-42, 72-042, 4 LEAF, 3500, 25-1/8, 124903
- (2) 6 Leaf 25 1/4″ x 1 3/4″ Trailer Double Eye Spring for 7000 lb Axles
- (4) 7″ Long U-bolts
- (2) U-bolt Tie Plates for 1-3/4″ or 2″ Spring
- (8) 1/2″-20 Hex Nuts
- L=7″ A=3″ D=1/2″
- Pair of SW4B Trailer Spring – 25-1/4″ Double Eye 4-Leaf Spring 1-3/4″ Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)
- Cross-Reference: SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184
- Free Open (Height of Arc): 3″; 2 Bushings Installed for Each Spring
- Leaf Thickness 5/16
- One 1,750lbs capacity leaf spring, for standard 3,500lbs trailer axle,
- Eye to Eye length: 25-1/4″, Free open: 3″, width of leaf: 1-3/4″, 4 leaves, 9/16″ bushing dia
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- (4) 5 Leaf 25 1/4″ x 2″ Trailer Double Eye Spring for 5200 lb Axles
- (8) 7″ Long U-bolts; (4) U-bolt Tie Plates for 1-3/4″ or 2″ Spring; (16) 1/2″-20 Hex Nuts
- (6) 3.25″ Hangers
- (8) 2-5/8″ long shackle straps; (14) 3″ long x 9/16″ diameter shackle bolts; (14) 9/16″ diameter lock nuts
- This supsension and hanger kit is for a 5.2k tandem axle setup (10.4K total capacity)
- Pair of M-Parts 25-1/4″ 5-Leaf Double Eye Trailer Springs 1-3/4″ Wide for 5,200/6,000 Lb Axles (3,000 Lb Capacity Per Spring) – SW5 (2 Included)
- Bushings are included and installed. Ready to use as is.
- (4) 6 Leaf 25 1/4″ x 1 3/4″ Trailer Double Eye Spring for 7000 lb Axles
- (8) 7″ Long U-bolts; (4) U-bolt Tie Plates for 1-3/4″ or 2″ Spring; (16) 1/2″-20 Hex Nuts
- (6) 3.25″ Hangers
- (8) 2-5/8″ long shackle straps; (14) 3″ long x 9/16″ diameter shackle bolts; (14) 9/16″ diameter lock nuts
- This supsension and hanger kit is for a 7k tandem axle setup (14K total capacity)
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