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 3655-R Rear Lower Control Arms/Trailing Arms Red
✓ In Stock • Ships from manufacturerRegular price $ 379.99Regular price$ 417.99Sale price $ 379.99Sale -
Vendor:UMI Performance
UMI Performance 3655-B Rear Lower Control Arms/Trailing Arms Black
✓ In Stock • Ships from manufacturerRegular price $ 379.99Regular price$ 417.99Sale price $ 379.99Sale -
Vendor:UMI Performance
UMI Performance 3652-R Adjustable Upper Control/Trailing Arm (Banana Arm) Red
✓ In Stock • Ships from manufacturerRegular price $ 180.52Regular price$ 198.58Sale price $ 180.52Sale -
Vendor:UMI Performance
UMI Performance 3652-B Adjustable Upper Control/Trailing Arm (Banana Arm) Black
✓ In Stock • Ships from manufacturerRegular price $ 180.52Regular price$ 198.58Sale price $ 180.52Sale -
Vendor:UMI Performance
UMI Performance 3651-R Upper Control/Trailing Arm Red for 1959-1964 B-Body
✓ In Stock • Ships from manufacturerRegular price $ 125.39Regular price$ 137.93Sale price $ 125.39Sale -
Vendor:UMI Performance
UMI Performance 3651-B Upper Control/Trailing Arm Black for 1959-1964 B-Body
✓ In Stock • Ships from manufacturerRegular price $ 125.39Regular price$ 137.93Sale price $ 125.39Sale -
Vendor:UMI Performance
UMI Performance 3650-R Rear Lower Control Arms/Trailing Arms Red
✓ In Stock • Ships from manufacturerRegular price $ 379.99Regular price$ 417.99Sale price $ 379.99Sale -
Vendor:UMI Performance
UMI Performance 3628-B Adjustable Upper Control Arms Roto-Joint Black
✕ Out of StockRegular price $ 319.99Regular price$ 351.99Sale price $ 319.99Sold out -
Vendor:UMI Performance
UMI Performance 3627-R Boxed Lower Control Arms with Dual Roto-Joints Red
✓ In Stock • Ships from manufacturerRegular price $ 399.99Regular price$ 439.99Sale price $ 399.99Sale -
Vendor:UMI Performance
UMI Performance 3626-R Boxed Lower Control Arms Polyurethane/Roto-Joint Red
✓ In Stock • Ships from manufacturerRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sale -
Vendor:UMI Performance
UMI Performance 3626-B Boxed Lower Control Arms Polyurethane/Roto-Joint Black
✓ In Stock • Ships from manufacturerRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sale -
Vendor:UMI Performance
UMI Performance 3624-B Adjustable Extended Upper Control Arms Roto-Joints Black
✓ In Stock • Ships from manufacturerRegular price $ 319.99Regular price$ 351.99Sale price $ 319.99Sale -
Vendor:UMI Performance
UMI Performance 3620-B Adjustable Extended Upper Control Arms Polyurethane Black
✕ Out of StockRegular price $ 279.99Regular price$ 307.99Sale price $ 279.99Sold out -
Vendor:UMI Performance
UMI Performance 3618-B Adjustable Upper Control Arms Polyurethane Bushings Black
✓ In Stock • Ships from manufacturerRegular price $ 269.99Regular price$ 296.99Sale price $ 269.99Sale -
Vendor:UMI Performance
UMI Performance 3617-B Adjustable Upper Control Arms Ultimate Arms Black
✓ In Stock • Ships from manufacturerRegular price $ 269.99Regular price$ 296.99Sale price $ 269.99Sale -
Vendor:UMI Performance
UMI Performance 3616-R Upper Control Arms Red for 1978-1996 GM B-Body
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale