UMI Performance

UMI’s 2nd gen F-Body bump steer kit is designed to reduce or eliminate toe change during suspension travel (also known as “bump steer”). Reduction of bump steer improves handling and straight line...

With modern high grip tires, improved suspension and big power, today’s muscle cars need more help than ever to survive. This front frame brace improves chassis rigidity, reduces steering gear...

With modern high grip tires, improved suspension and big power, today’s muscle cars need more help than ever to survive. This front frame brace improves chassis rigidity, reduces steering gear...

UMI’s 2nd Gen F-Body adjustable upper a-arms are race-worthy components equally at home on the street. Our P/N 2656 adjustable upper a-arms add caster to improve steering feel and reduce wandering...

UMI’s 2nd Gen F-Body adjustable upper a-arms are race-worthy components equally at home on the street. Our P/N 2656 adjustable upper a-arms add caster to improve steering feel and reduce wandering...

UMI’s 2nd Gen F-Body adjustable upper a-arms are race-worthy components equally at home on the street. Our P/N 2656-1 adjustable upper a-arms add caster to improve steering feel and reduce wandering...

UMI’s 2nd Gen F-Body adjustable upper a-arms are race-worthy components equally at home on the street. Our P/N 2656-1 adjustable upper a-arms add caster to improve steering feel and reduce wandering...

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 2655 arms are strong yet lightweight and feature a...

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 2655 arms are strong yet lightweight and feature a...

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 2655-1 arms are strong yet lightweight and feature a...

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 2655-1 arms are strong yet lightweight and feature a...

With modern high grip tires, improved suspension and big power, today’s muscle cars need more help than ever to survive. This front frame brace improves chassis rigidity, reduces steering gear...

UMI’s 2nd Gen F-Body upper a-arms are a key component of a great handling muscle car. UMI’s P/N 2653 upper a-arms add caster to improve steering feel and reduce wandering. Strong tubular construction...

UMI’s 2nd Gen F-Body upper a-arms are a key component of a great handling muscle car. UMI’s P/N 2653 upper a-arms add caster to improve steering feel and reduce wandering. Strong tubular construction...

UMI’s 2nd Gen F-Body upper a-arms are a key component of a great handling muscle car. Our P/N 2653-1 upper a-arms add caster to improve steering feel and reduce wandering while incorporating a ½”...