UMI Performance 67-72 GM A-Body Factory Height Springs Rear
$203.49
UMI4049R
Best selling products
Lowering Springs
New products
Suspension
UMI Performance
A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction...
UMI Performance 68-72 GM A-Body Adjustable Upper Control Arms- Poly Bushings
$263.49
UMI4025-R
Best selling products
Control Arms
New products
Suspension
UMI Performance
UMI’s adjustable rear upper control arms are a bulletproof addition to your street car. UMI’s upper control arms are suitable for street, strip or...
UMI Performance 68-72 GM A-Body Control Arm Reinforcements/Frame Braces
$173.49
UMI4028-B
Best selling products
Brackets
Fabrication
New products
UMI Performance
Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your...
UMI Performance 68-72 GM A-Body Control Arm Reinforcements/Frame Braces
$173.49
UMI4028-R
Best selling products
Brackets
Fabrication
New products
UMI Performance
Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your...
UMI Performance 68-72 GM A-Body LSX Motor Mounts
$203.49
UMI4008-B
Best selling products
Engine Components
Engine Mounts
New products
UMI Performance
UMI’s P/N 4008 allows the installation of LS power into your 1968-1972 GM A-Body. UMI’s LS mounts place the LS engine in the factory...
UMI Performance 68-72 GM A-Body LSX Motor Mounts
$203.49
UMI4008-R
Best selling products
Engine Components
Engine Mounts
New products
UMI Performance
UMI’s P/N 4008 allows the installation of LS power into your 1968-1972 GM A-Body. UMI’s LS mounts place the LS engine in the factory...
UMI Performance 68-72 GM A-Body Rear Shock Tower Brace Bolt In
$173.49
UMI4058-B
Best selling products
New products
Strut Bars
Suspension
UMI Performance
This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4†tubing...
UMI Performance 68-72 GM A-Body Rear Shock Tower Brace Bolt In
$173.49
UMI4058-R
Best selling products
New products
Strut Bars
Suspension
UMI Performance
This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4†tubing...
UMI Performance 68-72 GM A-Body Tubular Non-Adjustable Upper Control Arms
$163.49
UMI4016-B
Best selling products
Control Arms
New products
Suspension
UMI Performance
Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on...
UMI Performance 68-72 GM A-Body Tubular Non-Adjustable Upper Control Arms
$163.49
UMI4016-R
Best selling products
Control Arms
New products
Suspension
UMI Performance
Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on...
UMI Performance 68-72 GM A-Body Tubular Upper & Lower Control Arms
$363.49
UMI401516-B
Best selling products
Control Arms
New products
Suspension
UMI Performance
Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on...
UMI Performance 70-81 F-Body Leaf Spring Installation Kit
$123.49
UMI2627
Best selling products
Leaf Springs & Accessories
New products
Suspension
UMI Performance
UMI's leaf spring installation kit works with UMI P/N 2620 leaf springs as well as other stock location leaf springs. The kit is a...
UMI Performance 70-81 GM F-Body Front Subframe Repair Kit
$58.49
UMI2662
Best selling products
New products
Subframes
Suspension
UMI Performance
40+ years of moisture and abuse can leave your frame in bad shape, and unable to properly locate the body mounts. Our 8 piece...
UMI Performance 70-81 GM F-Body Lowering Spring Front 2in Lowering
$183.49
UMI2647F
Best selling products
Lowering Springs
New products
Suspension
UMI Performance
UMI’s 2nd Gen F-Body lowering springs are wound from 5160 CrSi premium wire and feature a linear 600 lb/in rate. UMI’s front springs are...
UMI Performance 70-81 GM F-Body Rear Leaf Spring Set 2in Lowering
$513.49
UMI2620
Best selling products
Leaf Springs & Accessories
New products
Suspension
UMI Performance
UMI’s rear leaf spring is a high perfomance solution to lowering the rear of your 1970-1981 Camaro or Firebird. These springs feature high quality...
UMI Performance 70-81 Polyurethane Leaf Spring Shackle Kit
$163.49
UMI2625
Best selling products
Leaf Springs & Accessories
New products
Suspension
UMI Performance
UMI's polyurethane shackle kit works with UMI P/N 2620 rear leaf springs as well as other stock location leaf springs. The kit is a...
UMI Performance 73-87 GM C10 Flip Kit
$163.49
UMI6410
Best selling products
Engine Components
Hardware Kits - Other
New products
UMI Performance
The UMI Performance P/N 6410 flip kit lowers the rear of the 1973-1987 GM C10 truck six inches by relocating the axle above the...
UMI Performance 73-87 GM C10 Front Lowering Springs 2in drop
$163.49
UMI6452F
Best selling products
Lowering Springs
New products
Suspension
UMI Performance
UMI’s 2″ front lowering spring kit features high quality construction and a medium firm 900 lb/in spring rating. UMI springs are suitable for daily...
UMI Performance 78-02 GM Rear Control Arm Bolt Upgrade Kit
$30.49
UMI3001
Best selling products
Engine Components
Hardware Kits - Other
New products
UMI Performance
Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes all new...
UMI Performance 78-88 G-Body Lowering Spring Kit 2in Lowering
$333.49
UMI3051
Best selling products
Lowering Springs
New products
Suspension
UMI Performance
A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction...
UMI Performance 78-88 G-Body S10 Tubular Front Upper & Lower A-Arms Poly
$1,408.49
UMI303133-1-R
Best selling products
Control Arms
New products
Suspension
UMI Performance
UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain...
UMI Performance 78-88 GM G-Body 1.250in Solid Chrome Moly Front Sway Bar
$259.49
UMI3035-B
Best selling products
New products
Suspension
Sway Bars
UMI Performance
UMI Performance 1.250" (32mm) solid front sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced...
UMI Performance 78-88 GM G-Body 1.250in Solid Chrome Moly Front Sway Bar
$259.49
UMI3035-R
Best selling products
New products
Suspension
Sway Bars
UMI Performance
UMI Performance 1.250" (32mm) solid front sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced...
UMI Performance 78-88 GM G-Body 1in Solid Rear Sway Bar
$183.49
UMI3034-B
Best selling products
New products
Suspension
Sway Bars
UMI Performance
Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension....
UMI Performance 78-88 GM G-Body 1in Solid Rear Sway Bar
$183.49
UMI3034-R
Best selling products
New products
Suspension
Sway Bars
UMI Performance
Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension....
UMI Performance 78-88 GM G-Body Adjustable Upper & Lower Control Arm Kit
$513.49
UMI301417-B
Best selling products
Control Arms
New products
Suspension
UMI Performance
This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate...
UMI Performance 78-88 GM G-Body Adjustable Upper & Lower Control Arm Kit
$513.49
UMI301417-R
Best selling products
Control Arms
New products
Suspension
UMI Performance
This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate...
UMI Performance 78-88 GM G-Body C5/C6 Front Brake Conversion Brackets
$133.49
UMI3046
Best selling products
Fabrication
New products
Tools
UMI Performance
The UMI P/N 3046 brake conversion bracket is designed to mount 1997-2013 C5 or C6 front calipers and rotors to the 1978-1988 GM G-Body...
UMI Performance 78-88 GM G-Body Control Arm Reinforcements/Frame Braces
$173.49
UMI3028-B
Best selling products
Brackets
Fabrication
New products
UMI Performance
Trailing arm mount braces are designed to reinforce the rear upper and lower front control arm mounts on your 1978-1988 G-Body vehicle. The more...
UMI Performance 78-88 GM G-Body Control Arm Reinforcements/Frame Braces
$173.49
UMI3028-R
Best selling products
Brackets
Fabrication
New products
UMI Performance
Trailing arm mount braces are designed to reinforce the rear upper and lower front control arm mounts on your 1978-1988 G-Body vehicle. The more...
UMI Performance 78-88 GM G-Body Double Adjustable Upper & Lower Rear Control Arms Kit
$613.49
UMI302717-B
Best selling products
Control Arms
New products
Suspension
UMI Performance
Complete Kit Includes: (1) Set of Double Adjustable Lower Control Arms with Spherical Rod Ends (Item #3027) (1) Ser of Double Adjustable Upper Control...
UMI Performance 78-88 GM G-Body Front 1in 70-81 F-Body 2-1/2in Lowering Spring
$183.49
UMI3050F
Best selling products
Lowering Springs
New products
Suspension
UMI Performance
A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction...
UMI Performance 78-88 GM G-Body Front Reinforcement Brace Bolt In
$313.49
UMI3053-B
Best selling products
Brackets
Fabrication
New products
UMI Performance
The UMI Performance, Inc. reinforcing front frame brace is used to stiffen the front frame horns and front crossmember area on the GM G-Body...
UMI Performance 78-88 GM G-Body Front Reinforcement Brace Bolt In
$313.49
UMI3053-R
Best selling products
Brackets
Fabrication
New products
UMI Performance
The UMI Performance, Inc. reinforcing front frame brace is used to stiffen the front frame horns and front crossmember area on the GM G-Body...
UMI Performance 78-88 GM G-Body Lowering Spring Front 2in Lowering
$183.49
UMI3051F
Best selling products
Lowering Springs
New products
Suspension
UMI Performance
A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction...
UMI Performance 78-88 GM G-Body Rear Frame Notching Kit Weld In
$113.49
UMI3061
Best selling products
Engine Components
Hardware Kits - Other
New products
UMI Performance
UMI’s P/N 3061 G-Body frame notch kit allows for narrowing the rear upper frame rails on the G-Body for installation of a wider tire....
