This Allstar Performance spring cup is a lower rear bolt-on cup designed for 5in OD springs. It has 1/2in mounting holes and is made of aluminum with a black anodized finish.
Spec Sheet: Allstar Spec Sheet
Compatibility
This is a universal-fit component for 5in OD springs and is not limited to a specific vehicle make or model. Confirm your spring OD and mounting hole size before ordering.
FAQ
What spring OD does this cup fit?
ALL56117 is designed for 5in OD springs.
What size are the mounting holes?
ALL56117 has 1/2in mounting holes.
What is this cup made of?
ALL56117 is made of aluminum with a black anodized finish, unlike the steel weld-on lower rear cups ALL56123 and ALL56124.
How is this cup installed?
ALL56117 is a bolt-on cup rather than a weld-on cup.

