UMI Performance · New
UMI Performance 98-02 GM F-Body K-Member - LS1 - Road Race Version
MPN 2321-B · Store SKU umi2321-B
Supplier stock checked 11/7/2026, 10:00:22 PM UTC. Adding a part does not reserve it.
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Product details
UMI’s industry leading twin tube road-race k-member has gone to the next level. UMI’s road race k-member has been tested on auto-x and road courses across the east coast. Our new adjustment plates feature a bulletproof locking mechanism which provides the ultimate in alignment retention. Laser cut plates lock the lower a-arms into position for absolute confidence. Five positions of adjustment are available on the k-member in addition to the adjustment provided by the UMI lower arms. Our road race k-member also features additional bracing over and above the already tough UMI standard k-member. We recommend the road race set up when you want to dominate the auto-x course, road course or street. Exclusive 5-hole anti slide retention system. Rock solid alignment reliability during extreme cornering Industry leading dual center tube constructed of 1-1/2” OD DOM seamless steel tubing. Completely fixture welded to ensure factory fitment with no grinding or cutting. Brilliant durable powder coat, available bright red or gloss black. Additional cross braces use 1-1/4” OD DOM seamless steel tubing. Rear main cross tube lowered for oil pan protection and coverage. 2321 - 1998-2002 GM F-Body K-Member - LS1 - Road Race Version Uses integrated motor mounts for maximum weight reduction. Offers additional clearance for headers & turbo piping. Automatically reduces 22lbs of front end weight. Features and benefits:
Manufacturer fitment & guides
Check 2321-B against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y