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 2214AS-R Tunnel Mounted Torque Arm Mount Red
✓ In Stock • Ships from manufacturerRegular price $ 219.99Regular price$ 241.99Sale price $ 219.99Sale -
Vendor:UMI Performance
UMI Performance 2330-R K-Member LSX Rr Roll Center Increase Red
✓ In Stock • Ships from manufacturerRegular price $ 999.99Regular price$ 1,099.99Sale price $ 999.99Sale -
Vendor:UMI Performance
UMI Performance 2330-B K-Member LSX Rr Roll Center Increase Black
✓ In Stock • Ships from manufacturerRegular price $ 999.99Regular price$ 1,099.99Sale price $ 999.99Sale -
Vendor:UMI Performance
UMI Performance 2316-B Upper A-Arm Adjustable Black for 1993-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 499.99Regular price$ 549.99Sale price $ 499.99Sale -
Vendor:UMI Performance
UMI Performance 2316-R Upper A-Arm Adjustable Red for 1993-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 499.99Regular price$ 549.99Sale price $ 499.99Sale -
Vendor:UMI Performance
UMI Performance 262824-R Leaf Spring Traction Bars with Mounts Red
✓ In Stock • Ships from manufacturerRegular price $ 779.99Regular price$ 857.99Sale price $ 779.99Sale -
Vendor:UMI Performance
UMI Performance 262824-B Leaf Spring Traction Bars with Mounts Black
✓ In Stock • Ships from manufacturerRegular price $ 779.99Regular price$ 857.99Sale price $ 779.99Sale -
Vendor:UMI Performance
UMI Performance 2629-B Traction Bar Pivots (for 3/4in relocation) Black
✓ In Stock • Ships from manufacturerRegular price $ 55.55Regular price$ 61.11Sale price $ 55.55Sale -
Vendor:UMI Performance
UMI Performance 2629-R Traction Bar Pivots (for 3/4in relocation) Red
✓ In Stock • Ships from manufacturerRegular price $ 55.55Regular price$ 61.11Sale price $ 55.55Sale -
Vendor:UMI Performance
UMI Performance 260810-R LS Swap/T56 Kit Red for 1970-1974 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 469.99Regular price$ 516.99Sale price $ 469.99Sale -
Vendor:UMI Performance
UMI Performance 220508-B Torque arm Kit Automatic Black for 1998-2002 GM F-Body
✓ In Stock • Ships from manufacturerRegular price $ 599.99Regular price$ 659.99Sale price $ 599.99Sale -
Vendor:UMI Performance
UMI Performance 230010-B Front A-Arms Adjustable Drag Black for 1993-2002 F-Body
✓ In Stock • Ships from manufacturerRegular price $ 1,159.99Regular price$ 1,275.99Sale price $ 1,159.99Sale -
Vendor:UMI Performance
UMI Performance 230011-B Front A-Arm Kit Adjustable Lower Budget Drag Black
✓ In Stock • Ships from manufacturerRegular price $ 1,029.99Regular price$ 1,132.99Sale price $ 1,029.99Sale -
Vendor:UMI Performance
UMI Performance 230010-R Front A-Arms Adjustable Drag Red for 1993-2002 F-Body
✓ In Stock • Ships from manufacturerRegular price $ 1,159.99Regular price$ 1,275.99Sale price $ 1,159.99Sale -
Vendor:UMI Performance
UMI Performance 231410-B A-Arms Double Shear Boxed Lower/Adjustable Upper Black
✓ In Stock • Ships from manufacturerRegular price $ 1,209.99Regular price$ 1,330.99Sale price $ 1,209.99Sale -
Vendor:UMI Performance
UMI Performance 231410-R A-Arms Double Shear Boxed Lower/Adjustable Upper Red
✓ In Stock • Ships from manufacturerRegular price $ 1,209.99Regular price$ 1,330.99Sale price $ 1,209.99Sale