UMI Performance · New
UMI Performance 70-81 GM F-Body Rear 2in Leaf Springs Shackle Kit - Delrin
MPN 262026 · Store SKU umi262026
Supplier stock checked 11/8/2026, 7:55:18 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
UMI’s leaf spring and Delrin shackle kit is a heavy duty, Made In USA solution to lowering the rear of your 2nd Gen. These springs feature high quality US Steel, multi-leaf construction and lower the car an average of 2" to 2-½" below stock ride height. The springs bolt directly into the stock location with no modifications required. The Delrin shackle kit replaces the factory kit with a heavy duty, high performance upgrade suitable for corner carving, drag racing, road racing and auto-x. Optional Add On: UMI 2627 leaf spring hardware installation kit includes new high quality polyurethane isolator pads, heavy duty Made In USA U-bolts and hardware. Fits stock and UMI applications. Excellent replacement for worn out isolators and corroded original hardware. Springs are built with self lubricating plastic isolators to reduce friction and provide consistent spring performance. High performance Delrin bushings prevent side-to-side movement and ensures smooth suspension movement. Heavy duty clips and advanced leaf design reduces spring wind-up as compared to stock. Excellent for street, corner carving, drag racing, road racing and auto-x. 262026 - 1970-1981 GM F-Body Rear Leaf Spring Kit, Delrin bushings Laser cut heavy duty shackles. Front bushings pre-installed. Tough gloss black powder coat 175 lb/in rate. Features:
Manufacturer fitment & guides
Check 262026 against the manufacturer’s application information below.
