Bolt Hole Dimensions of Timbren Suspension Enhancement T46GR
Updated 12/15/2025 | Published 11/14/2024
Question:
2023 Grand Design Momentum 399 TH. What are the tie plate dimensions? Will it accommodate 9/16” U-bolts and 1 3/4” wide lead springs? What are tie plate hole center to center dimensions?
asked by: Charles M
0
Expert Reply:
Hey Charles, the distance between the bolt holes on center on the Timbren kit part # T46GR is 3-1/4 inch by 3 inch. The plate thickness is 3/8 of an inch. This will work with 1-3/4 inch wide leaf springs.
expert reply by:
Jameson C
0
Bolt Hole Dimensions
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Product Page this Question was Asked From
Timbren Trailer Suspension Enhancement System for Spring Over Axle Configurations - 5,000 lbs
- Trailer Suspension Parts
- Leaf Spring Enhancement System
- Boat Trailer
- Camper
- Car Hauler
- Snowmobile Trailer
- Utility Trailer
- 5000 lbs
- Single Axle
- Timbren
more information >
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Jameson C.
12/15/2025
Hey Charles, did the Timbren kit end up fitting your 1-3/4 inch wide leaf springs the way you needed? Knowing how the tie plate dimensions worked out could help others setting up a similar trailer.