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 2307-B Tubular Front Lower A-Arms Delrin Street Black
✓ In Stock • Ships from manufacturerRegular price $ 669.99Regular price$ 736.99Sale price $ 669.99Sale -
Vendor:UMI Performance
UMI Performance 2305-B Front Lower A-Arms Street Black for 1993-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 669.99Regular price$ 736.99Sale price $ 669.99Sale -
Vendor:UMI Performance
UMI Performance 2300-R Front Adjustable Lower A-Arms Drag CrMo Red
✕ Out of StockRegular price $ 699.99Regular price$ 769.99Sale price $ 699.99Sold out -
Vendor:UMI Performance
UMI Performance 2300-B Front Adjustable Lower A-Arms Drag CrMo Black
✓ In Stock • Ships from manufacturerRegular price $ 699.99Regular price$ 769.99Sale price $ 699.99Sale -
Vendor:UMI Performance
UMI Performance 2052-R Front Lower A-Arms Delrin Coilover Specific Red
✓ In Stock • Ships from manufacturerRegular price $ 679.99Regular price$ 747.99Sale price $ 679.99Sale -
Vendor:UMI Performance
UMI Performance 2052-B Front Lower A-Arms Delrin Coilover Specific Black
✓ In Stock • Ships from manufacturerRegular price $ 679.99Regular price$ 747.99Sale price $ 679.99Sale -
Vendor:UMI Performance
UMI Performance 2051-R Front Lower A-Arms Polyurethane Coilover Specific Red
✓ In Stock • Ships from manufacturerRegular price $ 599.99Regular price$ 659.99Sale price $ 599.99Sale -
Vendor:UMI Performance
UMI Performance 2051-B Front Lower A-Arms Polyurethane Coilover Specific Black
✓ In Stock • Ships from manufacturerRegular price $ 599.99Regular price$ 659.99Sale price $ 599.99Sale -
Vendor:UMI Performance
UMI Performance 3715-R Tubular Rear Trailing Arms Red for 1997-2005 GM W-Body
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale -
Vendor:UMI Performance
UMI Performance 3662-R Adjustable Upper Control/Trailing Arm Red
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale -
Vendor:UMI Performance
UMI Performance 3662-B Adjustable Upper Control/Trailing Arm Black
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale -
Vendor:UMI Performance
UMI Performance 3661-B Upper Control/Trailing Arm Black for 1967-1970 B-Body
✓ In Stock • Ships from manufacturerRegular price $ 89.99Regular price$ 98.99Sale price $ 89.99Sale -
Vendor:UMI Performance
UMI Performance 3657-R Adjustable Upper Control/Trailing Arm Red
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale -
Vendor:UMI Performance
UMI Performance 3657-B Adjustable Upper Control/Trailing Arm Black
✓ In Stock • Ships from manufacturerRegular price $ 152.96Regular price$ 168.26Sale price $ 152.96Sale -
Vendor:UMI Performance
UMI Performance 3656-R Upper Control Arm/Trailing Arm Red for 1965-1966 B-Body
✓ In Stock • Ships from manufacturerRegular price $ 89.99Regular price$ 98.99Sale price $ 89.99Sale -
Vendor:UMI Performance
UMI Performance 3656-B Upper Control Arm/Trailing Arm Black for 1965-1966 B-Body
✓ In Stock • Ships from manufacturerRegular price $ 89.99Regular price$ 98.99Sale price $ 89.99Sale