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 3051F Front Lowering Springs 2in Lowering for 1978-1988 G-Body
✕ Out of StockRegular price $ 171.33Regular price$ 188.47Sale price $ 171.33Sold out -
Vendor:UMI Performance
UMI Performance 304647 C5/C6 Front Brake Conversion Hubs Bearings Bracket Kit
✓ In Stock • Only 1 leftRegular price $ 579.99Regular price$ 637.99Sale price $ 579.99Sale -
Vendor:UMI Performance
UMI Performance 303534-B Solid Front and Rear Sway Bar Kit Black
✕ Out of StockRegular price $ 419.99Regular price$ 461.99Sale price $ 419.99Sold out -
Vendor:UMI Performance
UMI Performance 2261-R Torque Arm Relocation Kit 4L60E Red for 1982-1992 F-Body
✓ In Stock • Only 1 leftRegular price $ 269.99Regular price$ 296.99Sale price $ 269.99Sale -
Vendor:UMI Performance
UMI Performance 220507-R Torque Arm Kit Manual Transmission Red
✕ Out of StockRegular price $ 579.99Regular price$ 637.99Sale price $ 579.99Sold out -
Vendor:UMI Performance
UMI Performance 2056 Rear Rubber Bump Stops Pair for 1982-2002 GM F-Body
✓ In Stock • Only 1 leftRegular price $ 31.89Regular price$ 35.08Sale price $ 31.89Sale -
Vendor:UMI Performance
UMI Performance 2048 Competition Upper Front Shock Mounts for 1993-2002 F-Body
✓ In Stock • Only 2 leftRegular price $ 125.39Regular price$ 137.93Sale price $ 125.39Sale -
Vendor:UMI Performance
UMI Performance 2046-C211-110 Viking Rear Coilovers Full Height Adjustable 110lb
✓ In Stock • Only 1 leftRegular price $ 977.90Regular price$ 1,075.69Sale price $ 977.90Sale -
Vendor:UMI Performance
UMI Performance 2009-B Adjustable Strut Tower Brace (LS Only) Black
✓ In Stock • Only 1 leftRegular price $ 189.99Regular price$ 208.99Sale price $ 189.99Sale -
Vendor:UMI Performance
UMI Performance 101417-R Upper and Lower Adjustable Control Arms Red
✓ In Stock • Only 1 leftRegular price $ 499.99Regular price$ 549.99Sale price $ 499.99Sale -
Vendor:UMI Performance
UMI Performance 6436 Front Coil Over Mounts for 1963-1987 GM C10
✓ In Stock • Ships from manufacturerRegular price $ 299.99Regular price$ 329.99Sale price $ 299.99Sale -
Vendor:UMI Performance
UMI Performance 90018 Roto-Joint Spanner Wrench Control Arms
✓ In Stock • Ships from manufacturerRegular price $ 22.70Regular price$ 24.97Sale price $ 22.70Sale -
Vendor:UMI Performance
UMI Performance 2114 HVAC Delete Panel Aluminum for 1993-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 50.26Regular price$ 55.29Sale price $ 50.26Sale -
Vendor:UMI Performance
UMI Performance 1200 Billet Aluminum Short Shifter for 1979-2004 Ford Mustang
✓ In Stock • Ships from manufacturerRegular price $ 41.08Regular price$ 45.19Sale price $ 41.08Sale -
Vendor:UMI Performance
UMI Performance 2518 Anti-Eccentric Washers for 2008-2009 Pontiac G8
✓ In Stock • Ships from manufacturerRegular price $ 25.45Regular price$ 28.00Sale price $ 25.45Sale -
Vendor:UMI Performance
UMI Performance 2600-B Engine Mount Polyurethane Black for 2004-2007 CTS-V
✓ In Stock • Ships from manufacturerRegular price $ 279.99Regular price$ 307.99Sale price $ 279.99Sale