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UMI Performance 68-72 GM A-Body Handling Kit Stage 3.5 - Black

Sale price$4,203.68 Regular price$4,610.81
Save $407.13

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UMI Performance

SKU: UMIABF806-1-B MPN: ABF806-1-B
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Please be advised that no returns, cancellations, or refunds allowed on Special Orders once it has been placed on order regardless of the circumstances.

UMI’s Stage 3.5 kit is designed to transform your GM A-Body from a comfortable cruiser to a capable corner carver with the twist of the wrist. UMI’s lowering springs form the handling foundation and are controlled by UMI’s premium rebound adjustable shocks. Our ultra-premium springs feature carefully tuned rates and high quality construction to eliminate the floating feeling and will tie your A-body directly to the road. The UMI monotube shocks rebound adjustment allows you to fine tune your ride whether you’re doing back road heroics or shaving that last tenth of a second between the cones. UMI a-arms feature tubular construction, Delrin bushings for precise steering and caster corrected uppers. The ½” taller upper ball joints work with the lowering springs to tune up the poor factory A-body camber curve. Out back the UMI trailing arms feature Roto-Joints for smooth articulation combined with poly bushings for a smooth ride. Adjustable uppers allow for pinion angle tuning while the axle mounted pro-tour bar performs on the street, during cornering and even the occasional dragstrip blast. The entire package is designed and manufactured by UMI in Philipsburg, PA – USA of US materials and we’re proud to drive on and race what we build.

  • Rear trailing arms feature Poly and Roto-Joints with adjustable uppers for setting pinion angle and rear lateral location
  • UMI 1" lowering springs featuring ultra-premium CrSi material with linear rates front and rear
  • Increased spindle height by 1/2” via tall upper ball joints for improved camber gain
  • Lower a-arms feature UMI-built Delrin bushings, premium ball joints, and bump stops
  • Upper a-arms add caster for improved steering feel and straight line stability
  • Roto-Joints allow smooth articulation for improved handling and less bind
  • 1” diameter rear Pro-Tour sway bar offers tunable rear roll resistance
  • 1-1/4” front sway bar for flat cornering, CNC bent from 4140
  • Koni off-car rebound adjustable shocks
  • Made in USA
Subscribe pic with ATOMIC-SHOP Porsche 911

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