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UMI Performance
Do you know when you purchase an item manufactured by UMI you are supporting the United States of America? UMI Performance Inc. proudly designs and manufactures its entire line of products within its facility located in the small town of Philipsburg, Pennsylvania.

UMI Performance Categories

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Items 1-25 of 61
Angle Finders & Levels
Magnetic Angle Finders feature easy-to-read large diameter faces and a magnetic base. These tools are perfect for setting up machinery, suspensions, checking pinion angles, spoiler angles, etc....More Details »
Body Mount Bushings
Body Mount Bushings are made of rugged polyurethane material and replace distorted and worn-out original rubber mounts to maintain car body alignment. Polyurethane body mounts are rugged enough for...More Details »
Bump Steer Kits and Components
Bump Steer is caused when the swing arc of the suspension is not matched to the swing arc of the tie rod. Different swing arcs of the tie rod and suspension are what causes Bump Steer. Use...More Details »
Chevrolet Camaro (4th Gen) Body & Exterior
Pit Stop USA has all of your Street Performance needs including Chevrolet Camaro (4th Gen) Exterior Components.
Items 1-25 of 61

UMI Performance Products

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Items 1-25 of 135
Description: Suspension Spring Kit, 1 in Lowering, 2 Coil Springs, Black Powder Coat, GM A-Body 1964-72, Kit
Item #: UMI4050R
Condition: New
Limited Supply: Only 1 Left!
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Price: $199.99
Sale: $189.99
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Description: Frame Repair Kit, 14 Pieces, Steel, Natural, GM A-Body 1964-72, Kit
Item #: UMI4055
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $31.99
Sale: $29.99
Save: 6%
Save: $2.00
Description: Control Arm, Tubular, Lower / Upper, Polyurethane Bushings, Steel, Red Powder Coat, GM A-Body 1964-67, Kit Application: 1964-1967 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1967 Buick...More Details »
Item #: UMI401518-B
Condition: New
Limited Supply: Only 1 Left!
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Price: $315.99
Sale: $299.99
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Description: Tie Rod Sleeve, 5/8-18 in Female Thread, Hex Tube, Steel, Black Powder Coat, GM A-Body / F-Body / G-Body, Pair Application: 1964-1970 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1970...More Details »
Item #: UMI2103
Condition: New
Limited Supply: Only 5 Left!
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Ships from Michigan.
Price: $57.99
Sale: $54.99
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Description: Suspension Spring Kit, 1 in Lowering, 2 Coil Springs, Black Powder Coat, Front Only, GM A-Body 1964-72, Pair Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972...More Details »
Item #: UMI4050F
Condition: New
Limited Supply: Only 1 Left!
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Price: $160.99
Sale: $152.84
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Description: Sway Bar, Rear, 1 in Diameter, Chromoly, Black Powder Coat, GM A-Body 1964-72, Kit Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972 Buick Skylark, Grand Sport,...More Details »
Item #: UMI4034-B
Condition: New
Limited Supply: Only 2 Left!
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Price: $169.99
Sale: $161.44
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Description: Sway Bar, Rear, 1 in Diameter, Chromoly, Red Powder Coat, GM A-Body 1964-72, Kit Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972 Buick Skylark, Grand Sport,...More Details »
Item #: UMI4034-R
Condition: New
Limited Supply: Only 1 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $169.99
Sale: $161.44
Save: 5%
Save: $8.55
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Description: Sway Bar, Front, 1-1/4 in Diameter, Chromoly, Black Powder Coat, GM A-Body 1964-72, Kit Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972 Buick Skylark, Grand...More Details »
Item #: UMI4035-B
Condition: New
Limited Supply: Only 3 Left!
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Price: $227.99
Sale: $215.69
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Save: $12.30
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Description: Sway Bar, Front, 1-1/4 in Diameter, Chromoly, Red Powder Coat, GM A-Body 1964-72, Kit Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972 Buick Skylark, Grand Sport,...More Details »
Item #: UMI4035-R
Condition: New
Limited Supply: Only 1 Left!
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Price: $227.99
Sale: $215.69
Save: 5%
Save: $12.30
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Description: Suspension Spring Kit, 2 in Lowering, 2 Coil Springs, Black Powder Coat, Front Only, GM A-Body 1964-72, Pair Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972...More Details »
Item #: UMI4051F
Condition: New
Limited Supply: Only 4 Left!
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Price: $160.99
Sale: $152.84
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Description: Drive Shaft Loop, Bolt-On, Steel, Black Powder Coat, GM A-Body 1964-72, Kit Application: 1964, 1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964, 1972 Buick Skylark, Grand Sport, Special...More Details »
Item #: UMI4500-B
Condition: New
Limited Supply: Only 3 Left!
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Ships from Michigan.
Price: $84.99
Sale: $79.99
Save: 6%
Save: $5.00
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Description: Control Arm, Tubular, Lower, Polyurethane Bushings, Boxed, Steel, Black Powder Coat, GM A-Body 1964-72, Pair Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino More Details »
Item #: UMI4024-B
Condition: New
Limited Supply: Only 1 Left!
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Price: $242.99
Sale: $229.99
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Save: $13.00
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Description: Sway Bar, Front / Rear, 1-1/4 in Diameter Front, 1 in Diameter Rear, Steel, Black Powder Coat, GM A-Body 1964-72, Kit Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino...More Details »
Item #: UMI403534-B
Condition: New
Limited Supply: Only 3 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $389.99
Sale: $369.99
Save: 5%
Save: $20.00

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Description: Sway Bar, Front / Rear, 1-1/4 in Diameter Front, 1 in Diameter Rear, Steel, Red Powder Coat, GM A-Body 1964-72, Kit Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino...More Details »
Item #: UMI403534-R
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $389.99
Sale: $369.99
Save: 5%
Save: $20.00

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Description: Control Arm, Tubular, Lower, Polyurethane Bushings, Steel, Black Powder Coat, GM A-Body 1964-72, Pair Application: 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972 Buick...More Details »
Item #: UMI4015-B
Condition: New
Limited Supply: Only 1 Left!
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Price: $168.99
Sale: $159.99
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Description: Control Arm Bolt, 1/2 in Hex Head, Bolts / Lock Nuts / Washers Included, Steel, Natural, GM A-Body 1964-72, Kit Application: 1964-1977 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1977...More Details »
Item #: UMI4002
Condition: New
Limited Supply: Only 2 Left!
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Ships from Michigan.
Price: $26.99
Sale: $24.99
Save: 7%
Save: $2.00
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Description: Control Arm Bushing, Rear, Polyurethane, Black, GM A-Body / G-Body 1965-88, Kit Application: 1965-1987 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1965-1987 Buick Skylark, Grand Sport,...More Details »
Item #: UMI3000-B
Condition: New
Limited Supply: Only 4 Left!
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Ships from Michigan.
Price: $42.99
Sale: $39.99
Save: 7%
Save: $3.00
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Description: Control Arm Bushing, Rear, Polyurethane, Red, GM A-Body / G-Body 1965-88, Kit Application: 1965-1987 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1965-1987 Buick Skylark, Grand Sport, Special...More Details »
Item #: UMI3000-R
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
Ships from Michigan.
Price: $42.99
Sale: $39.99
Save: 7%
Save: $3.00
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Description: Suspension Spring Kit, 1 in Lowering, 4 Coil Springs, Black Powder Coat, GM A-Body 1967-72, Kit Application: 1967-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1967-1972 Buick Skylark,...More Details »
Item #: UMI4050
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $321.99
Sale: $305.27
Save: 5%
Save: $16.72

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Description: Suspension Spring Kit, 2 in Lowering, 2 Coil Springs, Black Powder Coat, Rear Only, GM A-Body 1964-72 / GM G-Body 1977-88, Pair Application: 1967-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El...More Details »
Item #: UMI4051R
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $199.99
Sale: $189.99
Save: 5%
Save: $10.00
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Description: Control Arm, Tubular, Upper, Adjustable, Roto-Joints, Polyurethane Bushings, Steel, Black Powder Coat, GM A-Body 1968-72, Pair Application: 1968-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El...More Details »
Item #: UMI4037-B
Condition: New
Limited Supply: Only 1 Left!
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Price: $273.99
Sale: $259.99
Save: 5%
Save: $14.00

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Description: Control Arm, Tubular, Upper, Adjustable, Polyurethane Bushings, Steel, Black Powder Coat, GM A-Body 1968-72, Pair Application: 1968-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1968-1972...More Details »
Item #: UMI4025-B
Condition: New
Limited Supply: Only 2 Left!
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Price: $252.99
Sale: $239.99
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Description: Control Arm Brace, Bolt-On, Steel, Black Powder Coat, GM A-Body 1968-72, Pair Application: 1968-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1968-1972 Buick Skylark, Grand Sport, Special...More Details »
Item #: UMI4028-B
Condition: New
Limited Supply: Only 2 Left!
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Price: $157.99
Sale: $149.99
Save: 5%
Save: $8.00
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Description: Control Arm Brace, Bolt-On, Steel, Red Powder Coat, GM A-Body 1968-72, Pair Application: 1968-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1968-1972 Buick Skylark, Grand Sport, Special...More Details »
Item #: UMI4028-R
Condition: New
Limited Supply: Only 1 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $157.99
Sale: $149.99
Save: 5%
Save: $8.00
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Description: Motor Mount, Bolt-On, Hardware Included, Steel, Black Powder Coat, GM A-Body 1968-72, Kit Application: 1968, 1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1968, 1972 Buick Skylark, Grand...More Details »
Item #: UMI4008-B
Condition: New
Limited Supply: Only 1 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $157.99
Sale: $149.99
Save: 5%
Save: $8.00
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Items 1-25 of 135

More About UMI Performance

Do you know when you purchase an item manufactured by UMI you are supporting the United States of America? UMI Performance Inc. proudly designs and manufactures its entire line of products within its facility located in the small town of Philipsburg, Pennsylvania. The facility features CNC machining, CNC laser cutting, band sawing, press brake operation, MIG and TIG welding, engineering, sand blasting and powder coating.

UMI began in late 2002 under the leadership of Ryan Kirkwood and the guidance of his father Denny. Together this father and son team developed a large variety of products for many makes and models of GM vehicles as well as the Ford Mustang. Ryan saw a large demand for suspension and chassis products, and felt the market was lacking of options. On May 31st 2003, UMI began its official journey in the aftermarket suspension industry with their first test car, a 1994 Ford Mustang GT. This car was used as a test bed for the beginning stages of UMIâ??s Fox and SN95 platform products. The products began to move very quickly, becoming almost impossible to keep in stock. The faster they manufactured them the quicker they sold. In late 2003, UMI purchased a 2000 Pontiac Firebird which was used as their F-Body platform design vehicle. Slowly, products began to arise on the market for the GM F-Body, and quickly UMI became a well-respected company, becoming one of the largest suspension manufactures in todayâ??s market.

Today, UMI operates out of a 35,000 square foot facility staffed with over 30 employees - this new facility located in Philipsburg, PA was recently acquired by UMI in March, 2011. UMI manufactures 99% of their products within their facility from start to finish - from raw 24 foot bars of tubing to a finished product on your door step. UMI is very proud of their success over the past 12 years, and would like to take the time to thank each and every customer for their support. UMIâ??s 30+ hardworking employees are proud to offer you an American made product, hand crafted and fabricated with blood, sweat and pride.