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 2656-1-R Upper A-Arms Front Adjustable Tall ball joints Red
✓ In Stock • Ships from manufacturerRegular price $ 699.99Regular price$ 769.99Sale price $ 699.99Sale -
Vendor:UMI Performance
UMI Performance 2653-1-B Upper A-Arms Front Tall Ball Joints Black
✓ In Stock • Ships from manufacturerRegular price $ 679.99Regular price$ 747.99Sale price $ 679.99Sale -
Vendor:UMI Performance
UMI Performance 2652-R Front Lower A-Arms Delrin Red for 1973-1977 GM A-Body
✓ In Stock • Ships from manufacturerRegular price $ 789.99Regular price$ 868.99Sale price $ 789.99Sale -
Vendor:UMI Performance
UMI Performance 2652-B Front Lower A-Arms Delrin Black for 1973-1977 GM A-Body
✓ In Stock • Ships from manufacturerRegular price $ 789.99Regular price$ 868.99Sale price $ 789.99Sale -
Vendor:UMI Performance
UMI Performance 2651-R Front Lower A-Arms Polyurethane Red for 1973-1977 A-Body
✓ In Stock • Ships from manufacturerRegular price $ 729.99Regular price$ 802.99Sale price $ 729.99Sale -
Vendor:UMI Performance
UMI Performance 2526-R Trailing Arms Adjustable Roto-Joint Red for 2008-2009 G8
✓ In Stock • Ships from manufacturerRegular price $ 309.99Regular price$ 340.99Sale price $ 309.99Sale -
Vendor:UMI Performance
UMI Performance 2526-B Trailing Arms Adjustable Roto-Joint Black
✓ In Stock • Ships from manufacturerRegular price $ 309.99Regular price$ 340.99Sale price $ 309.99Sale -
Vendor:UMI Performance
UMI Performance 2516-R Trailing Arms Roto-Joint Red for 2008-2009 Pontiac G8
✓ In Stock • Ships from manufacturerRegular price $ 289.99Regular price$ 318.99Sale price $ 289.99Sale -
Vendor:UMI Performance
UMI Performance 2515-R Trailing Arms Red for 2008-2009 Pontiac G8
✓ In Stock • Ships from manufacturerRegular price $ 180.52Regular price$ 198.58Sale price $ 180.52Sale -
Vendor:UMI Performance
UMI Performance 2515-B Trailing Arms Black for 2008-2009 Pontiac G8
✓ In Stock • Ships from manufacturerRegular price $ 180.52Regular price$ 198.58Sale price $ 180.52Sale -
Vendor:UMI Performance
UMI Performance 2314-R Boxed Lower A-Arms Competition Rod Ends Red
✓ In Stock • Ships from manufacturerRegular price $ 749.99Regular price$ 824.99Sale price $ 749.99Sale -
Vendor:UMI Performance
UMI Performance 2314-B Boxed Lower A-Arms Competition Rod Ends Black
✓ In Stock • Ships from manufacturerRegular price $ 749.99Regular price$ 824.99Sale price $ 749.99Sale -
Vendor:UMI Performance
UMI Performance 2311-B Upper A-Arms Non-Adjustable Black for 1993-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 329.99Regular price$ 362.99Sale price $ 329.99Sale -
Vendor:UMI Performance
UMI Performance 2310-R Upper A-Arms Adjustable Red for 1993-2002 GM F-Body
✕ Out of StockRegular price $ 459.99Regular price$ 505.99Sale price $ 459.99Sold out -
Vendor:UMI Performance
UMI Performance 2310-B Upper A-Arms Adjustable Black for 1993-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 459.99Regular price$ 505.99Sale price $ 459.99Sale -
Vendor:UMI Performance
UMI Performance 2309-R Boxed Adjustable Lower A-Arms Rod Ends Red
✓ In Stock • Ships from manufacturerRegular price $ 749.99Regular price$ 824.99Sale price $ 749.99Sale