Description
A quality spring cup is fundamental to suspension geometry and ride quality—this U-B GN model delivers the precision fit and durability your setup demands. Whether you’re fine-tuning a street machine or building a competition suspension, this steel spring cup provides a reliable base for consistent performance. The threaded design and grease fitting ensure easy maintenance and long service life.
- Upper spring cup
- 1-8 in thread
- 6 in inside diameter
- 5-1/8 in height
- Grease fitting included
- Steel construction
- Natural finish
- Universal fitment
- Sold individually






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