• O.D. cup to center the spring on the outside diameter
• Only recommended if you always have tension on the spring through travel
• This cup works well with the WM165BO bearing to help with spring twist friction
• Short cup (WM404SC) is 1" tall and tall cup (WM404TC) is 2" tall
Connecting you with a Racing Expert...
Please introduce yourself to start live chat.
Thank you for chatting with us. We are always happy to help you!