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 3038-R Lower Control Arms Polyurethane/Roto-Joint Red
✓ In Stock • Ships from manufacturerRegular price $ 329.99Regular price$ 362.99Sale price $ 329.99Sale -
Vendor:UMI Performance
UMI Performance 3038-B Lower Control Arms Polyurethane/Roto-Joint Black
✕ Out of StockRegular price $ 329.99Regular price$ 362.99Sale price $ 329.99Sold out -
Vendor:UMI Performance
UMI Performance 3036-R Non Adjustable Upper Control Arms Roto-Joint Red
✓ In Stock • Ships from manufacturerRegular price $ 229.99Regular price$ 252.99Sale price $ 229.99Sale -
Vendor:UMI Performance
UMI Performance 3036-B Non Adjustable Upper Control Arms Roto-Joint Black
✓ In Stock • Ships from manufacturerRegular price $ 229.99Regular price$ 252.99Sale price $ 229.99Sale -
Vendor:UMI Performance
UMI Performance 3033-R Tubular Front Upper A-Arms Red for 1978-1988 G-Body
✕ Out of StockRegular price $ 599.99Regular price$ 659.99Sale price $ 599.99Sold out -
Vendor:UMI Performance
UMI Performance 3033-1-R Tubular Front Upper A-Arms Red for 1978-1988 G-Body
✕ Out of StockRegular price $ 679.99Regular price$ 747.99Sale price $ 679.99Sold out -
Vendor:UMI Performance
UMI Performance 3027-R Double Adjustable Lower Control Arms with Rod Ends Red
✓ In Stock • Ships from manufacturerRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sale -
Vendor:UMI Performance
UMI Performance 3027-B Double Adjustable Lower Control Arms with Rod Ends Black
✓ In Stock • Ships from manufacturerRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sale -
Vendor:UMI Performance
UMI Performance 3025-B Adjustable Upper Control Arms Polyurethane Bushings Black
✓ In Stock • Ships from manufacturerRegular price $ 249.99Regular price$ 274.99Sale price $ 249.99Sale -
Vendor:UMI Performance
UMI Performance 3024-R Rear Lower Control Arms Boxed Red for 1978-1988 GM G-Body
✓ In Stock • Ships from manufacturerRegular price $ 329.99Regular price$ 362.99Sale price $ 329.99Sale -
Vendor:UMI Performance
UMI Performance 3024-B Rear Lower Control Arms Boxed Black for 1978-1988 G-Body
✓ In Stock • Ships from manufacturerRegular price $ 329.99Regular price$ 362.99Sale price $ 329.99Sale -
Vendor:UMI Performance
UMI Performance 3021-R Boxed Lower Control Arms Red for 1978-1988 GM G-Body
✓ In Stock • Ships from manufacturerRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sale -
Vendor:UMI Performance
UMI Performance 3021-B Boxed Lower Control Arms Black for 1978-1988 GM G-Body
✓ In Stock • Ships from manufacturerRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sale -
Vendor:UMI Performance
UMI Performance 3016-R Upper Control Arms Red for 1978-1988 GM G-Body
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale -
Vendor:UMI Performance
UMI Performance 3016-B Upper Control Arms Black for 1978-1988 GM G-Body
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale -
Vendor:UMI Performance
UMI Performance 3014-R Tubular Single Adjustable Lower Control Arms Red
✓ In Stock • Ships from manufacturerRegular price $ 279.99Regular price$ 307.99Sale price $ 279.99Sale