Redline Trailer Suspension - 13-4
10-1/8" Long, swan-shaped equalizer connects slipper springs on tandem- or triple-axle trailers and transfers impact between the axles to ensure that the load is evenly distributed. Fits springs with 9/16" diameter eye.
Features:
- Connects slipper springs on dual- or triple-axle trailers
- Attach one spring with bolt through the eye
- Slip arched end of other spring into equalizer
- Suspend equalizer from center hanger (sold separately)
- Transfers load and sudden impacts from one axle to another
- Distributes weight evenly
- Results in smooth ride for trailer
Specs:
- Fits: 2" wide slipper leaf springs
- Center bolt hole diameter: 7/8"
- Side bolt hole diameter (for mounting spring): 9/16" diameter
- Side bolt hole diameter (for keeper bolt): 5/16"
- Dimensions: see table

| Part Number | A | B | C | D | E | F |
|---|
| 13-4 | 4-5/8" | 5-1/2" | 5" | 9/16" | 5/16" | 7/8" |
13-4 Swan-Shaped Equalizer for 2" Slipper Springs
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