UMI Performance's LS1 road race tubular K-member is a twin tube design built for autocross, road course and street use. Laser cut adjustment plates use a locking mechanism for strong alignment retention, and five positions of adjustment are available at the K-member in addition to the adjustment provided by UMI lower arms. Additional bracing over the standard UMI K-member adds rigidity for hard cornering. This K-member is made in the USA.
Specifications:
- Tubular twin tube steel K-member
- Red powder coat finish
- Fits GM LS-series engines
- Five positions of alignment adjustment with laser cut locking plates
- Additional bracing over the standard UMI K-member
- Direct bolt-in for 1998-2002 GM F-Body
- Sold each
- Made in the USA
- Part number: 2321-R
Vehicle Applications:
- 1998 Chevrolet Camaro
- 1999 Chevrolet Camaro
- 2000 Chevrolet Camaro
- 2001 Chevrolet Camaro
- 2002 Chevrolet Camaro
- 1998 Pontiac Firebird
- 1999 Pontiac Firebird
- 2000 Pontiac Firebird
- 2001 Pontiac Firebird
- 2002 Pontiac Firebird
FAQ
What vehicles does the UMI 2321-R K-member fit?
It fits 1998-2002 Chevrolet Camaro and Pontiac Firebird models equipped with the LS1 engine.
Is this K-member a direct bolt-in?
Yes, it is a direct bolt-in replacement for the factory 1998-2002 GM F-body K-member and retains stock and aftermarket suspension mounting.
What makes the road race version different from a standard K-member?
The road race version adds laser cut locking adjustment plates with five positions of adjustment and extra bracing for improved alignment retention and rigidity on the track.
What is the difference between the 2321-R and 2321-B?
The 2321-R has a red powder coat finish and the 2321-B has a black powder coat finish. The two parts are otherwise identical.

