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  • Newest Products
  • 1964-1967 GM A-Body

    Fitment Guide

    • 1965-1967 Buick Gran Sport
    • 1964-1967 Buick Skylark/Special/Sportwagon
    • 1964-1967 Chevrolet Chevelle/El Camino/Malibu
    • 1964-1967 Oldsmobile 442/Cutlass/F85/Vista Cruiser
    • 1964-1967 Pontiac GTO/Lemans/Tempest
    A-ARMS
    BUMP STEER KITS
    CHASSIS REINFORCEMENT
    CHASSIS REPAIR
    COILOVER KITS- FRONT
    COILOVER KITS- REAR
    DRIVE SHAFT LOOPS
    DROP SPINDLES
    HANDLING KITS
    HARDWARE KITS
    HEATER BOX DELETE
    REAR CONTROL ARMS
    SHOCKS
    SPRINGS & SHOCK KITS
    SPRINGS & SPRING SPACERS
    SWAY BARS
    TIE ROD ADJUSTERS
  • 1968-1972 GM A-Body

    1968-1972 GM A-BODY

    Fitment Guide

    • 1968-1972 Buick GS/GS 350/GS 400/GS 455/Special/Skylark/Sportwagon
    • 1968-1972 Chevrolet Chevelle/El Camino/Monte Carlo
    • 1971-1972 GMC Sprint
    • 1968-1972 Oldsmobile 442/Cutlass/F85/Vista Cruiser
    • 1968-1972 Pontiac Grand Prix/GTO/Lemans/Tempest
    A-ARMS
    BUMP STEER KITS
    CHASSIS REINFORCEMENT
    CHASSIS REPAIR
    COILOVER KITS- FRONT
    COILOVER KITS- REAR
    DRIVE SHAFT LOOPS
    DROP SPINDLES
    HANDLING KITS
    HARDWARE KITS
    HEATER BOX DELETE
    LSX SWAP
    REAR CONTROL ARMS
    SHOCKS
    SPRING & SHOCK KITS
    SPRINGS & SPRING SPACERS
    SWAY BARS
    TIE ROD ADJUSTERS
  • 1973-1977 GM A-Body

    1973-1977 GM A-BODY

    Fitment Guide

    • 1973-1977 Buick Century/Regal
    • 1973-1977 Chevrolet Chevelle/El Camino/Laguna/Malibu/Monte Carlo
    • 1973-1977 Oldsmobile Cutlass/F85
    • 1973-1977 Pontiac Grand Am
    COILOVER KITS- FRONT
    REAR CONTROL ARM KITS
    REAR LOWER CONTROL ARMS
    REAR UPPER CONTROL ARMS
    SHOCKS
    SWAY BARS
  • 1964-1970 GM B-Body

    1959-1964 GM B-BODY

    Fitment Guide

    • 1959-1964 Chevrolet Bel Air/Biscayne/Impala
    COILOVER KITS- FRONT
    PANHARD BARS
    REAR SUSPENSION
    REAR SUSPENSION KITS
    SHOCKS

    1965-1970 GM B-BODY

    Fitment Guide

    • 1965-1970 Chevrolet Bel Air/Biscayne/Caprice/Impala
    COILOVER KITS- FRONT
    PANHARD BARS
    REAR SUSPENSION
    REAR SUSPENSION KITS
    SHOCKS
    TIE ROD ADJUSTERS
  • 1978-1996 GM B-Body

    1978-1996 GM B-BODY

    Fitment Guide

    • 1978-1985 Buick LeSabre
    • 1991-1996 Buick Roadmaster
    • 1978-1996 Chevrolet Caprice
    • 1994-1996 Chevrolet Impala SS
    • 1977-1981 Pontiac Bonneville/Catalina
    COILOVER KITS- FRONT
    DRIVE SHAFT LOOPS
    REAR SUSPENSION
    SHOCKS
    TIE ROD ADJUSTERS
  • 1967-1969 GM F-Body

    1967-1969 GM F-BODY

    Fitment Guide

    • 1967-1969 Chevrolet Camaro
    • 1967-1969 Pontiac Firebird
    COILOVER KITS- FRONT
    SHOCKS
    TIE ROD ADJUSTERS
  • 1970-1981 GM F-Body

    Fitment Guide

    • 1970-1981 Chevrolet Camaro
    • 1970-1981 Pontiac Firebird
    A-ARMS
    A/C DELETE PANEL
    BODY MOUNTS
    BUMP STEER KITS
    CHASSIS REINFORCEMENTS
    CHASSIS REPAIR
    COIL-OVER KITS- FRONT
    ENGINE MOUNTS
    EXTENDED COILOVER
    FRONT SUSPENSION KITS
    HANDLING KITS
    LEAF SPRINGS
    LOWERING SPRINGS
    LSX SWAP
    SHOCKS
    SWAY BARS
    TRACTION BARS
    TRANSMISSION CROSSMEMBERS

  • 1982-1992 GM F-Body

    Fitment Guide

    • 1982-1992 Chevrolet Camaro
    • 1982-1992 Pontiac Firebird
    A-ARMS
    PANHARD LOWERING & RELOCATION
    BUMP STEER KITS
    CASTER & CAMBER PLATES
    COILOVER KITS- FRONT
    COILOVER KITS- REAR
    ENGINE MOUNTS
    EXTERIOR
    FRONT STRUTS
    HARDWARE KITS
    K-MEMBERS
    LCA & PHB PACKAGES
    LSX SWAP
    PANHARD BARS
    SHOCKS & SPRINGS
    SUBFRAME CONNECTORS
    SWAY BARS
    TIE ROD ADJUSTERS
    TORQUE ARMS
    TORQUE ARM RELOCATION
    TRANSMISSION CROSSMEMBERS
    WATTS LINK
    WEIGHT JACKS
  • 1993-2002 GM F-Body

    Fitment Guide

    • 1993-2002 Chevrolet Camaro
    • 1993-2002 Pontiac Firebird
    C5 BRAKE CONVERSION
    COILOVERS
    DRIVE SHAFT LOOPS
    ENGINE
    ENGINE MOUNTS
    EXTERIOR
    FRONT SUSPENSION
    HVAC DELETE PANEL
    LOWERING SPRINGS
    REAR SUSPENSION
    SHOCK TOWER BRACES
    SHOCKS & SPRINGS
    SHORT SHIFTERS
    STEERING
    SUBFRAME CONNECTORS
    SWAY BARS
    TORQUE ARM RELOCATION
    TORQUE ARMS
    TRANSMISSION CROSSMEMBERS
    WEIGHT JACKS
  • 1978-1988 GM G-Body

    Fitment Guide

    • 1978-1987 Buick Regal
    • 1978-1987 Chevrolet El Camino
    • 1978-1983 Chevrolet Malibu
    • 1978-1988 Chevrolet Monte Carlo
    • 1978-1987 GMC Caballero
    • 1978-1988 Oldsmobile Cutlass
    • 1982-1986 Pontiac Bonneville
    • 1978-1987 Pontiac Grand Prix
    A-ARMS
    AC/HEATER DELETE PANELS
    BUMP STEER KITS
    C5 BRAKE CONVERSION
    CHASSIS REINFORCEMENT
    COIL-OVER KITS- FRONT
    COILOVER KITS- REAR
    DRIVE SHAFT LOOP
    ENGINE MOUNTS
    FRAME NOTCHING
    FRONT END KITS
    HANDLING KITS
    HARDWARE KITS
    LOWERING SPRING/SHOCK KITS
    LSX SWAP
    REAR CONTROL ARMS
    RELOCATION BRACKETS
    SHOCKS
    SPRINGS & SPRING SPACERS
    SWAY BARS
    TIE ROD ADJUSTERS
  • 1971-1980 GM H-Body

    1970-1981 GM H-BODY

    Fitment Guide

    • 1975-1980 Buick Skyhawk
    • 1971-1977 Chevrolet Vega
    • 1975-1980 Chevrolet Monza/Starfire
    • 1975-1980 Oldsmobile Starfire
    • 1975-1977 Pontiac Astre
    • 1976-1980 Pontiac Sunbird
    CONTROL ARM PACKAGES
    PANHARD BARS
    REAR LOWER CONTROL ARMS
    REAR UPPER CONTROL ARMS
  • 1973-1987 GM C10/C15

    Fitment Guide

    • 1973-1987 Chevrolet C10 RWD
    • 1973-1987 GMC C15/C1500/R1500 RWD
    CHASSIS COMPONENTS
    FRONT LOWERING
    HANDLING/LOWERING KITS
    SHOCKS
    SWAY BARS
  • 1982-2003 S-10/S-15

    1982-2003 S10/S15

    Fitment Guide

    • 1982-2003 Chevrolet S10 2WD
    • 1983-1994 Chevrolet S10 Blazer 2WD
    • 1982-1990 GMC S15 2WD
    • 1983-1991 GMC S15 Jimmy 2WD
    • 1991-2003 GMC Sonoma 2WD
    A-ARMS
    FRONT COILOVERS
    FRONT END KITS
    HANDLING KITS
    SHOCKS
    SWAY BARS
  • 2008-2014 Camaro/G8

    2008-2014 CAMARO/G8

    Fitment Guide

    • 2008-2009 Pontiac G8
    • 2010-2014 Chevrolet Camaro
    REAR TOE RODS
    REAR TRAILING ARMS
    SWAY BARS
    TUNNEL BRACE
  • Ford Mustang

    2005-2014 FORD MUSTANG

    Fitment Guide

    • 2005-2014 Ford Mustang
    PANHARD BARS
    REAR CONTROL ARM RELOCATION BRACKETS
    REAR LOWER CONTROL ARMS
    REAR UPPER CONTROL ARMS
    SHOCKS
    STRUT TOWER BRACES
    SUBFRAME CONNECTORS
    SUSPENSION PACKAGES
    SWAY BAR END LINKS
    SWAY BARS
    TRACTION PACKAGES

    1979-2004 FORD MUSTANG

    Fitment Guide

    • 1979-2003 Ford Mustang
    CONTROL ARM PACKAGES
    REAR CONTROL ARM REINFORCEMENTS
    REAR END HOUSING BUSHINGS
    REAR LIFT BARS
    REAR LOWER CONTROL ARMS
    REAR UPPER CONTROL ARMS
    SHIFTER HANDLES
    SHOCKS & STRUTS
    STRIP GRIP KITS
  • Others

    1997-2005 GM W-BODY

    REAR TRAILING ARMS

    Fitment Guide

    • 1997-2005 Buick Intrigue/Regal
    • 2000-2005 Chevrolet Impala/Monte Carlo
    • 1998-2002 Oldsmobile Intrigue
    • 1997-2005 Pontiac Grand Prix

    1962-1979 GM X-BODY

    SHOCKS
    TIE ROD ADJUSTERS

    Fitment Guide

    • Buick Apollo/Skylark
    • Chevrolet Chevy II/Nova
    • GMC Arcadian
    • Oldsmobile Omega
    • Pontiac Phoenix/Ventura

    2004-2007 Cadillac CTS-V

    ENGINE MOUNTS

    Fitment Guide

    • 2004-2007 Cadillac CTS-V

  • Universal
  • Replacement Parts
  • Merchandise
  • Gift Cards
  • Products
    • GM Classics
    • GM Mid Models
    • GM Late Models
    • GM Trucks
    • Ford Mustang
    • Universal
    • Replacement Parts
    • UMI Merch
    65-cutlass-cat-image
    • 1964-1967 GM A-Body
      • A-Arms Popular
      • Bump Steer Kits
      • Chassis Reinforcement Popular
      • Chassis Repair
      • Coil-Over Kits - Front
      • Coil-Over Kits - Rear
      • Drive Shaft Loop
      • Drop Spindles
      • Handling Kits Popular
      • Hardware Kits
      • Heater Box Delete
      • Rear Control Arms Popular
      • Shocks
      • Springs & Shocks Kit
      • Springs & Spring Spacers
      • Sway Bars
      • Tie Rod Adjusters
    72-lemans-cat-image
    • 1968-1972 GM A-Body
      • A-Arms Popular
      • Bump Steer Kits
      • Chassis Reinforcement Popular
      • Chassis Repair
      • Coil-Over Kits - Front
      • Coil-Over Kits - Rear
      • Drive Shaft Loop
      • Drop Spindles
      • Handling Kits Popular
      • Hardware Kits
      • Heater Box Delete
      • LSX Swap
      • Rear Control Arms Popular
      • Shocks
      • Springs & Shocks Kit
      • Springs & Spring Spacers
      • Sway Bars
      • Tie Rod Adjusters
    73-77-a-body-menu
    • 1973-1977 GM A-Body
      • Coil-Over Kits - Front Popular
      • Rear Control Arm Kits
      • Rear Lower Control Arms Popular
      • Rear Upper Control Arms
      • Shocks
      • Sway Bars
    59-64-b-body-menu
    • 1959-1964 GM B-Body
      • Coil-Over Kits - Front Popular
      • Panhard Bars
      • Rear Suspension
      • Rear Suspension Kits
      • Shocks
    • 1967-1969 GM F-Body
      • Coil-Over Kits - Front Popular
      • Shocks
      • Tie Rod Adjusters
    • 1962-1979 GM X-Body
      • Shocks
      • Tie Rod Adjusters
    65-70-b-body-menu
    • 1965-1970 GM B-Body
      • Coil-Over Kits - Front Popular
      • Panhard Bars
      • Rear Suspension
      • Shocks
      • Sway Bars
      • Tie Rod Adjusters
    78-96-b-body-cat-image
    • 1978-1996 GM B-Body
      • Coil-Over Kits - Front
      • Drive Shaft Loops
      • Rear Suspension
    • 1970-1981 GM F-Body
      • A-Arms
      • A/C Heater Delete
      • Body Mounts
      • Bump Steer Kits
      • Chassis Reinforcements Popular
      • Chassis Repair
      • Shocks
      • Tie Rod Adjusters
      • Coil-Over Kits - Front
      • Engine Mounts New!
      • Extended Coilover
      • Front Suspension Kits
      • Handling Kits
      • Leaf Springs
    78-88-g-body-menu
      • Lowering Springs
      • LSX Swap
      • Shocks
      • Sway Bars
      • Traction Bars NEW
      • Transmission Crossmembers NEW
    • 1978-1988 GM G-Body
      • A-Arms Hot Seller
      • A/C Heater Delete
      • Bump Steer Kits
      • C5 Brake Conversion
      • Chassis Reinforcement Hot Sellers
      • Coil-Over Kits - Front
      • Coil-Over Kits - Rear
      • Drive Shaft Loop
      • Engine Mounts New!
      • Frame Notching Popular
      • Front End Kits
      • Handling Kits
      • Hardware Kits
      • Lowering Springs/Shock Kits Popular
      • LSX Swap
      • Rear Control Arms
      • Relocation Brackets
      • Shocks
      • Springs & Spring Spacers
      • Sway Bars
      • Tie Rod Adjusters
    82-92-f-body-menu
    • 1982-1992 GM F-Body
      • A-Arms
      • Bump Steer Kits
      • Caster & Camber Plates
      • Coil-Over Kits - Front
      • Coil-Over Kits - Rear
      • Engine Mounts New!
      • Exterior
      • Front Struts
      • Hardware Kits
      • K-Members
      • LCA & PHB Packages
      • LSX Swap
      • Panhard Bars
      • Panhard Lowering & Relocation
      • Rear Control Arms
      • Relocation Brackets
      • Shocks & Springs
      • Steering Braces
      • Strut Tower Braces
      • Subframe Connectors
      • Sway Bars
      • Tie Rod Adjusters
      • Torque Arms
      • Torque Arm Relocation
      • Transmission Crossmembers
      • Watts Link
      • Weight Jacks
    • 1971-1980 GM H-Body
      • Control Arm Packages
      • Panhard Bars
      • Rear Lower Control Arms
      • Rear Upper Control Arms
    93-02-f-body-menu
    • 1993-2002 GM F-Body
      • C5 Brake Conversion
      • Coilovers
      • Drive Shaft Loops
      • Engine
      • Exterior
      • Front Suspension
      • HVAC Delete
      • Lowering Springs
      • Rear Suspension
      • Shock Tower Braces
      • Shocks & Springs
      • Short Shifter
      • Solid Engine Mounts
      • Steering
      • Subframe Connectors
      • Sway Bars
      • Torque Arm Relocation
      • Torque Arms
      • Transmission Crossmembers
      • Weight Jacks
    10-14-camaro-menu
    • 2008-2014 Camaro/G8
      • Rear Toe Rods
      • Rear Trailing Arms
      • Sway Bars
      • Tunnel Brace
    • 2004-2007 Cadillac CTS-V
      • Engine Mounts
    • 1997-2005 GM W-Body
      • Rear Trailing Arms
    s10-cat-image
    • 1982-2003 S10/S15 2WD
      • A-Arms
      • Coil-Over Kits - Front
      • Front End Kits
      • Handling Kits
      • Shocks
      • Sway Bars
    c10-cat-image
    • 1963-1987 GM C10/C15 2WD
      • Handling/Lowering Kits New!
      • Front Lowering New!
      • Shocks
      • Chassis Components New!
      • Sway Bars New!
      • Tie Rod Adjusters
    79-04-mustang-cat-image
    • 1979-2004 Ford Mustang
      • Control Arm Packages
      • Control Arm Reinforcements
      • Rear-End Housing Bushings
      • Rear Lift Bars
      • Rear Lower Control Arms
      • Rear Upper Control Arms
      • Shifter Handles
      • Shocks & Struts
      • Strip Grip Kits
    05-14-mustang-cat-image
    • 2005-2014 Ford Mustang
      • Panhard Bars
      • Control Arm Relocation Brackets
      • Rear Lower Control Arms
      • Rear Upper Control Arms
      • Shocks
      • Strut Tower Braces
      • Subframe Connectors
      • Suspension Packages
      • Sway Bar End Links
      • Sway Bars
      • Traction Packages
    GREASE & LUBRICANTS
    SPRINGS
    SWAY BAR MOUNTS
    THRUST BEARINGS & SPANNER WRENCHES
    ADJUSTERS
    BALL JOINTS
    BUSHINGS
    POLYURETHANE ENDS
    ROD ENDS
    ROTO-JOINTS
    SLEEVES & ALUMINUM BUSHINGS
    SWAY BAR PARTS
    TORQUE ARM PARTS
    BANNERS
    MISC
    DECALS
    GIFT CARDS
    SHIRTS
    SWEATSHIRTS
    HATS
  • Product Spotlights
    • Corner Max Kits
    • Handling Kits
    • Lowering Springs
    • Power Tour Package
  • News/Articles
  • Builds
    View Large
    • UMI Cars

    1987 Custom Deluxe

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    • UMI Cars

    1965 Oldsmobile Cutlass

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    • UMI Cars

    1971 Chevrolet Camaro

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    • UMI Cars

    1979 Chevrolet Monte Carlo “Green Machine”

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    • UMI Cars

    1972 Pontiac Lemans

    View Large
    • UMI Cars

    1999 Chevrolet Camaro SS

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CONTACT US

CONTACT US

    18 Mar
    Installs

    G-Body Rear Suspension Overhaul With UMI Performance

    • January 22, 2020
    • By author-avatar Lance
    G-Body Rear Suspension Overhaul With UMI Performance The latest installment in the

    Continue reading

    19 Feb
    Installs, Tech

    G-Body Steering Upgrade – Fix Your Bump Steer!

    • November 8, 2019
    • By author-avatar Lance
    How To Fix The Steering and Bump Steer On Your G-Body After Car Craft upgraded the suspension on their G-Body Wagon project dubbed M...

    Continue reading

    18 Feb
    Tech

    Give Any G-Body Racecar Handling & Stopping on a Budget!

    • November 8, 2019
    • By author-avatar Lance
    G-Body Suspension Install The folks over at

    Continue reading

    CONTACT INFO
    509 Hemlock St.
    Philipsburg, PA 16866, USA
    Phone: (814) 343-6315
    Fax: (814) 343-6318
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    UMI PERFORMANCE INC 2022 ALL CONTENT BY UMI PERFORMANCE INC
    • Menu
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    • GM Classics
      • 1964-1967 GM A-Body
      • 1968-1972 GM A-Body
      • 1973-1977 GM A-Body
      • 1959-1964 GM B-Body
      • 1965-1970 GM B-Body
      • 1967-1969 GM F-Body
      • 1962-1979 GM X-Body
    • GM Mid Models
      • 1978-1996 GM B-Body
      • 1978-1988 GM G-Body
      • 1970-1981 GM F-Body
      • 1982-1992 GM F-Body
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      • 2004-2007 Cadillac CTS-V
      • 2008-2014 Camaro/G8
      • 1993-2002 GM F-Body
      • 1997-2005 GM W-Body
    • GM Truck
      • 1963-1987 GM C10/C15
      • 1982-2003 S-10/S-15
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    ATTENTION: Due to demand and production time, please allow 1-2 WEEKS for MOST orders to ship. Flat rate $11.99 US domestic shipping over $149!

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