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 3014-B Tubular Single Adjustable Lower Control Arms Black
✓ In Stock • Ships from manufacturerRegular price $ 279.99Regular price$ 307.99Sale price $ 279.99Sale -
Vendor:UMI Performance
UMI Performance 5019-R Adjustable Upper Control Arms Rod Ends Red
✓ In Stock • Ships from manufacturerRegular price $ 219.99Regular price$ 241.99Sale price $ 219.99Sale -
Vendor:UMI Performance
UMI Performance 5019-B Adjustable Upper Control Arms Rod Ends Black
✓ In Stock • Ships from manufacturerRegular price $ 219.99Regular price$ 241.99Sale price $ 219.99Sale -
Vendor:UMI Performance
UMI Performance 5018-R Non-Adjustable Upper Control Arms Red for 1975 GM H-Body
✓ In Stock • Ships from manufacturerRegular price $ 180.52Regular price$ 198.58Sale price $ 180.52Sale -
Vendor:UMI Performance
UMI Performance 5018-B Upper Control Arms Black for 1975 GM H-Body
✓ In Stock • Ships from manufacturerRegular price $ 180.52Regular price$ 198.58Sale price $ 180.52Sale -
Vendor:UMI Performance
UMI Performance 5016-R Adjustable Lower Control Arms Rod Ends Red
✓ In Stock • Ships from manufacturerRegular price $ 209.99Regular price$ 230.99Sale price $ 209.99Sale -
Vendor:UMI Performance
UMI Performance 5016-B Adjustable Lower Control Arms Rod Ends Black
✓ In Stock • Ships from manufacturerRegular price $ 209.99Regular price$ 230.99Sale price $ 209.99Sale -
Vendor:UMI Performance
UMI Performance 5015-R Lower Control Arms Red for 1975-1980 GM H-Body
✓ In Stock • Ships from manufacturerRegular price $ 171.33Regular price$ 188.47Sale price $ 171.33Sale -
Vendor:UMI Performance
UMI Performance 5015-B Lower Control Arms Black for 1975-1980 GM H-Body
✓ In Stock • Ships from manufacturerRegular price $ 171.33Regular price$ 188.47Sale price $ 171.33Sale -
Vendor:UMI Performance
UMI Performance 4216-R Rear Upper Control Arms Red for 1973-1977 GM A-Body
✓ In Stock • Ships from manufacturerRegular price $ 162.15Regular price$ 178.37Sale price $ 162.15Sale -
Vendor:UMI Performance
UMI Performance 4216-B Rear Upper Control Arms Black for 1973-1977 GM A-Body
✓ In Stock • Ships from manufacturerRegular price $ 162.15Regular price$ 178.37Sale price $ 162.15Sale -
Vendor:UMI Performance
UMI Performance 2039CM-B On-Car Adjustable Lower Arms Urethane/Roto-Joint Black
✓ In Stock • Ships from manufacturerRegular price $ 349.99Regular price$ 384.99Sale price $ 349.99Sale -
Vendor:UMI Performance
UMI Performance 2035CM-R Double Adjustable Control Arms Roto-Joints Red
✓ In Stock • Ships from manufacturerRegular price $ 399.99Regular price$ 439.99Sale price $ 399.99Sale -
Vendor:UMI Performance
UMI Performance 2035CM-B Double Adjustable Control Arms Roto-Joints Black
✓ In Stock • Ships from manufacturerRegular price $ 399.99Regular price$ 439.99Sale price $ 399.99Sale -
Vendor:UMI Performance
UMI Performance 2035-R Double Adjustable Control Arms Roto-Joints Red
✕ Out of StockRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sold out -
Vendor:UMI Performance
UMI Performance 2035-B Double Adjustable Control Arms Roto-Joints Black
✕ Out of StockRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sold out