Collection: UMI Performance

Muscle Car Suspension
UMI Performance
UMI Performance makes chassis and suspension parts for GM muscle car and classic platforms — A-Body, B-Body, F-Body (Camaro and Firebird), G-Body, H-Body, X-Body, W-Body, C10 trucks and S10/S15 — plus the 1979-2014 Ford Mustang, the 2015-and-newer Ford F-150, the Pontiac G8, the fifth- and sixth-generation Camaro and the Cadillac CTS-V. Most arms, bars and brackets are offered in a red or a black powder-coat finish.
Control ArmsK-MembersSway Bars
What We Carry from UMI Performance
Upper and lower control arms, A-arms, trailing arms and torque arms — boxed, tubular and adjustable
Panhard bars, traction bars, tie rod adjusters and bump steer kits
Tubular K-members, transmission crossmembers and subframe connectors
Front and rear sway bars, sway bar brackets and end links
Lowering springs, coilover conversion brackets, shocks and spring kits
Engine mounts, differential bushings, ball joints and driveshaft safety loops
Confirm your vehicle's body platform, engine and transmission before ordering. Each listing names the UMI part number and finish, and the Fits These Vehicles list on the product page gives the exact years and models.
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Vendor:UMI Performance
UMI Performance 4036-B Non Adjustable Upper Control Arms with Roto-Joint Black
✕ Out of StockRegular price $ 229.99Regular price$ 252.99Sale price $ 229.99Sold out -
Vendor:UMI Performance
UMI Performance 2018CM-R Adjustable Lower Control Arms Polyurethane Bushings Red
✓ In Stock • Ships from manufacturerRegular price $ 289.99Regular price$ 318.99Sale price $ 289.99Sale -
Vendor:UMI Performance
UMI Performance 4033-R Front Upper A-Arms Delrin Red for 1964-1972 GM A-Body
✓ In Stock • Ships from manufacturerRegular price $ 629.99Regular price$ 692.99Sale price $ 629.99Sale -
Vendor:UMI Performance
UMI Performance 2018CM-B Adjustable Lower Control Arms Polyurethane Black
✓ In Stock • Ships from manufacturerRegular price $ 289.99Regular price$ 318.99Sale price $ 289.99Sale -
Vendor:UMI Performance
UMI Performance 2018-R Adjustable Lower Control Arms Polyurethane Bushings Red
✕ Out of StockRegular price $ 229.99Regular price$ 252.99Sale price $ 229.99Sold out -
Vendor:UMI Performance
UMI Performance 2018-B Adjustable Lower Control Arms Polyurethane Bushings Black
✓ In Stock • Ships from manufacturerRegular price $ 229.99Regular price$ 252.99Sale price $ 229.99Sale -
Vendor:UMI Performance
UMI Performance 4033-1-R Tubular Front Upper A-Arms 1/2in Taller Ball Joints Red
✓ In Stock • Ships from manufacturerRegular price $ 699.99Regular price$ 769.99Sale price $ 699.99Sale -
Vendor:UMI Performance
UMI Performance 2017OFCM-R Adjustable Lower Control Arms Offset Bushings Red
✓ In Stock • Ships from manufacturerRegular price $ 299.99Regular price$ 329.99Sale price $ 299.99Sale -
Vendor:UMI Performance
UMI Performance 2017OF-R Adjustable Lower Control Arms Offset Bushings Red
✓ In Stock • Ships from manufacturerRegular price $ 249.99Regular price$ 274.99Sale price $ 249.99Sale -
Vendor:UMI Performance
UMI Performance 4032-B Front Lower A-Arms Delrin Black for 1964-1972 GM A-Body
✓ In Stock • Ships from manufacturerRegular price $ 789.99Regular price$ 868.99Sale price $ 789.99Sale -
Vendor:UMI Performance
UMI Performance 2017OF-B Adjustable Lower Control Arms Offset Bushings Black
✓ In Stock • Ships from manufacturerRegular price $ 249.99Regular price$ 274.99Sale price $ 249.99Sale -
Vendor:UMI Performance
UMI Performance 2017CM-R Adjustable Lower Control Arms Rod Ends Red
✓ In Stock • Ships from manufacturerRegular price $ 299.99Regular price$ 329.99Sale price $ 299.99Sale -
Vendor:UMI Performance
UMI Performance 2017CM-B Adjustable Lower Control Arms Rod Ends Black
✓ In Stock • Ships from manufacturerRegular price $ 299.99Regular price$ 329.99Sale price $ 299.99Sale -
Vendor:UMI Performance
UMI Performance 2017-R Adjustable Lower Control Arms Rod Ends Red
✓ In Stock • Ships from manufacturerRegular price $ 279.99Regular price$ 307.99Sale price $ 279.99Sale -
Vendor:UMI Performance
UMI Performance 2017-B Adjustable Lower Control Arms Rod Ends Black
✓ In Stock • Ships from manufacturerRegular price $ 279.99Regular price$ 307.99Sale price $ 279.99Sale -
Vendor:UMI Performance
UMI Performance 2016-R Adjustable Lower Control Arms Red for 1982-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 219.99Regular price$ 241.99Sale price $ 219.99Sale