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 3612-B Adjustable Extended Length Rear Lower Control Arms Black
✕ Out of StockRegular price $ 349.99Regular price$ 384.99Sale price $ 349.99Sold out -
Vendor:UMI Performance
UMI Performance 3055-R Rear Shock Tower Brace Bolt-In Red for 1978-1988 G-Body
✕ Out of StockRegular price $ 162.15Regular price$ 178.37Sale price $ 162.15Sold out -
Vendor:UMI Performance
UMI Performance 3055-B Rear Shock Tower Brace Bolt-In Black for 1978-1988 G-Body
✓ In Stock • Only 3 leftRegular price $ 162.15Regular price$ 178.37Sale price $ 162.15Sale -
Vendor:UMI Performance
UMI Performance 3053-R Front Reinforcement Brace Bolt-In Red
✓ In Stock • Only 2 leftRegular price $ 299.99Regular price$ 329.99Sale price $ 299.99Sale -
Vendor:UMI Performance
UMI Performance 3050F Front Lowering Springs for 1970-1981 F-Body
✓ In Stock • Only 2 leftRegular price $ 171.33Regular price$ 188.47Sale price $ 171.33Sale -
Vendor:UMI Performance
UMI Performance 303534-R Solid Front and Rear Sway Bar Red for 1978-1988 G-Body
✕ Out of StockRegular price $ 419.99Regular price$ 461.99Sale price $ 419.99Sold out -
Vendor:UMI Performance
UMI Performance 3035-R 1.25in Solid Chrome Moly Front Sway Bar Red
✓ In Stock • Only 1 leftRegular price $ 259.99Regular price$ 285.99Sale price $ 259.99Sale -
Vendor:UMI Performance
UMI Performance 3035-B 1.25in Solid Chrome Moly Front Sway Bar Black
✓ In Stock • Only 2 leftRegular price $ 259.99Regular price$ 285.99Sale price $ 259.99Sale -
Vendor:UMI Performance
UMI Performance 3034-R 1in Solid Rear Sway Bar Red for 1978-1988 GM G-Body
✓ In Stock • Only 1 leftRegular price $ 171.33Regular price$ 188.47Sale price $ 171.33Sale -
Vendor:UMI Performance
UMI Performance 3034-B 1in Solid Rear Sway Bar Black for 1978-1988 GM G-Body
✕ Out of StockRegular price $ 171.33Regular price$ 188.47Sale price $ 171.33Sold out -
Vendor:UMI Performance
UMI Performance 3031-R Front Lower A-Arms Polyurethane Red for 1978-1988 G-Body
✕ Out of StockRegular price $ 729.99Regular price$ 802.99Sale price $ 729.99Sold out -
Vendor:UMI Performance
UMI Performance 3031-B Tubular Front Lower A-Arms Polyurethane Bushings Black
✓ In Stock • Only 3 leftRegular price $ 729.99Regular price$ 802.99Sale price $ 729.99Sale -
Vendor:UMI Performance
UMI Performance 3028-R Control Arm Reinforcements/Frame Braces Red
✓ In Stock • Only 1 leftRegular price $ 162.15Regular price$ 178.37Sale price $ 162.15Sale -
Vendor:UMI Performance
UMI Performance 3028-B Control Arm Reinforcements/Frame Braces Black
✓ In Stock • Only 5 leftRegular price $ 162.15Regular price$ 178.37Sale price $ 162.15Sale -
Vendor:UMI Performance
UMI Performance 302717-B Double Adjustable Upper/Lower Rear Control Arms Black
✓ In Stock • Only 2 leftRegular price $ 619.99Regular price$ 681.99Sale price $ 619.99Sale -
Vendor:UMI Performance
UMI Performance 301516-R Upper/Lower Control Arms Red for 1978-1988 GM G-Body
✓ In Stock • Only 2 leftRegular price $ 369.99Regular price$ 406.99Sale price $ 369.99Sale