UMI Performance 103460-R Boxed Lower Control Arms Anti-Hop Kit with Relocation Brackets

The UMI Performance 103460-R is a bolt-in anti-hop and traction improvement kit designed to eliminate wheel hop and optimize launch performance. Engineered and manufactured in Philipsburg, PA, USA, this kit combines heavy-duty boxed lower control arms with precision-cut relocation brackets to correct control arm geometry, improve instant center, and deliver consistent forward traction.

Key Features:

• Boxed Control Arms: Constructed from 1" x 2" steel tubing with greaseable polyurethane bushings for strength and longevity
• Relocation Brackets: CNC laser cut from a combination of 3/16" and 1/4" mild steel plate for maximum rigidity in high-horsepower applications
• Multiple Drop Settings: Choose from 2", 2-3/4", or 3-1/4" drop to fine-tune vehicle handling and traction characteristics
• Multiple Adjustment Holes: Corrects control arm angle on lowered vehicles while simultaneously improving traction
• Works at Any Ride Height: Compatible with both factory-height and lowered vehicles — simply bolt in and launch
• Proven Performance Gains: Track testing demonstrates an average 0.10-second reduction in 60-foot times and improved launch consistency
• Grade 10.9 Hardware Included: All necessary hardware and installation instructions are included in the kit
• Easy Installation: Bolt-on application requiring no welding, drilling, or cutting; typical install time is 1–2 hours
• Made in the USA: CAD designed and manufactured with pride in Philipsburg, PA

UMI's in-house testing on S197 Mustang GT platforms demonstrated that this kit effectively eliminated severe wheel hop during launch and during the first-to-second gear shift, resulting in measurably better 60-foot performance. Results will vary based on power level and vehicle modifications.

Whether you're battling traction issues off the line or correcting control arm geometry on a lowered vehicle, the UMI Performance 103460-R anti-hop kit delivers a straightforward, no-compromise solution built to handle serious power.