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 2620 Rear Leaf Spring Set 2in Lowering for 1967-1981 F-Body
✓ In Stock • Only 1 leftRegular price $ 449.99Regular price$ 494.99Sale price $ 449.99Sale -
Vendor:UMI Performance
UMI Performance 251520-R Rear Trailing Arm and Toe Rod Kit Red for 2008-2009 G8
✓ In Stock • Only 3 leftRegular price $ 329.99Regular price$ 362.99Sale price $ 329.99Sale -
Vendor:UMI Performance
UMI Performance 251520-B Rear Trailing Arm and Toe Rod Black for 2008-2009 G8
✓ In Stock • Only 1 leftRegular price $ 329.99Regular price$ 362.99Sale price $ 329.99Sale -
Vendor:UMI Performance
UMI Performance 2405-B Upper Spring Mounts (UMI K-Member) Black
✓ In Stock • Only 1 leftRegular price $ 189.99Regular price$ 208.99Sale price $ 189.99Sale -
Vendor:UMI Performance
UMI Performance 2401-R K-Member (Coil Spring Version) Red for 1982-1992 F-Body
✓ In Stock • Only 3 leftRegular price $ 699.99Regular price$ 769.99Sale price $ 699.99Sale -
Vendor:UMI Performance
UMI Performance 2335 Front Upper A-Arm Mounts Adjustable Coil Over Only
✓ In Stock • Only 1 leftRegular price $ 229.99Regular price$ 252.99Sale price $ 229.99Sale -
Vendor:UMI Performance
UMI Performance 2329 LSX Polyurethane Engine Mounts for 1998-2002 GM F-Body
✕ Out of StockRegular price $ 143.77Regular price$ 158.15Sale price $ 143.77Sold out -
Vendor:UMI Performance
UMI Performance 2320-R Tubular K-Member LS1 Red for 1998-2002 GM F-Body
✓ In Stock • Only 5 leftRegular price $ 729.99Regular price$ 802.99Sale price $ 729.99Sale -
Vendor:UMI Performance
UMI Performance 230511-R Front A-Arms Street Red for 1993-2002 GM F-Body
✓ In Stock • Only 1 leftRegular price $ 999.99Regular price$ 1,099.99Sale price $ 999.99Sale -
Vendor:UMI Performance
UMI Performance 230511-B Front A-Arms Street Black for 1993-2002 GM F-Body
✓ In Stock • Only 1 leftRegular price $ 999.99Regular price$ 1,099.99Sale price $ 999.99Sale -
Vendor:UMI Performance
UMI Performance 2305-R Front Lower A-Arms Street Red for 1993-2002 GM F-Body
✓ In Stock • Only 1 leftRegular price $ 669.99Regular price$ 736.99Sale price $ 669.99Sale -
Vendor:UMI Performance
UMI Performance 2303 Upper and Lower A-Arm Hardware Kit for 1993-2002 GM F-Body
✓ In Stock • Only 1 leftRegular price $ 43.83Regular price$ 48.22Sale price $ 43.83Sale -
Vendor:UMI Performance
UMI Performance 2230-R Torque Arm Relocation Kit TH350 Red for 1982-1992 F-Body
✕ Out of StockRegular price $ 269.99Regular price$ 296.99Sale price $ 269.99Sold out -
Vendor:UMI Performance
UMI Performance 2207-R Manual Transmission Torque Arm Relocation Kit Red
✓ In Stock • Only 3 leftRegular price $ 269.99Regular price$ 296.99Sale price $ 269.99Sale -
Vendor:UMI Performance
UMI Performance 2205-R Transmission Mounted Adjustable Torque Arm Red
✕ Out of StockRegular price $ 339.99Regular price$ 373.99Sale price $ 339.99Sold out -
Vendor:UMI Performance
UMI Performance 2117-R Front Sway Bar 35mm Red for 1982-1992 GM F-Body
✓ In Stock • Only 4 leftRegular price $ 319.99Regular price$ 351.99Sale price $ 319.99Sale
