3025 - 1978-1988 GM G-Body Adjustable Upper Control Arms- Poly Bushings
$249.99
GPHP_3025-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
UMI Performance adjustable upper control arms allow you to adjust your vehicles pinion angle for optimum performance, precise handling and improved traction. Adjustable upper...
UMI adjustable upper arms improve traction, handling, and pinion angle.
$299.99
GPHP_302500-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
UMI Performance adjustable upper control arms are designed to optimize your vehicle's performance by allowing you to adjust the pinion angle for improved handling...
3019 - 1978-1988 GM G-Body 12-Bolt Swap Adjustable Upper Control Arms
$299.99
GPHP_3019-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
These control arms from UMI Performance are designed to bolt a 1964-1972 GM A-Body 10-Bolt or 12-Bolt rear end into a 1978-1988 GM G-Body;...
GBF035-1 - 1978-1988 GM G-Body Handling Kit, 1” Lowering- Stage 3.5
$4,059.99
GPHP_GBF035-1-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s Stage 3.5 kit is designed to transform your GM G-Body from a grandma cruiser to a capable corner carver with the twist of...
UMI Stage 3 kit: pro handling, Bilstein shocks, made in PA, USA.
$3,539.99
GPHP_GBF003-2-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s Stage 3 kit is designed to deliver excellent street performance and Pro-Touring handling. It features Delrin lower a-arm bushings for precise steering, ½”...
Boxed rear control arms boost handling, traction, and durability.
$369.99
GPHP_3021-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are prone to bushing deflection and rusting, leading to traction loss...
302117 - 1978-1988 GM G-Body Rear Control Arm Kit, Boxed Lowers, Adj Uppers
$619.99
GPHP_302117-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection...
302117 - 1978-1988 GM G-Body Rear Control Arm Kit, Boxed Lowers, Adj Uppers
$619.99
GPHP_302117-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection...
3017 - 1978-1987 GM G-Body Adjustable Upper Control Arms - Ultimate Arms
$249.99
GPHP_3017-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
Adjustability is one the most important things when tuning in your street car's suspension. That is why we have taken the time to develop...
301517 - 1978-1988 GM G-Body Lower Control Arm & Adj Upper Control Arm Kit
$469.99
GPHP_301517-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
This kit includes (1) set of our tubular lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both...
3015 - 1978-1988 GM G-Body Tubular Non-Adjustable Lower Control Arms
$229.99
GPHP_3015-R
All
Suspension
Suspension Components
Suspension Control Arm
Suspension, Springs and Related Components
UMI Performance
Rear lower control arms are a necessary upgrade for any General Motors G-Body vehicle. Our arms are designed to replace weak, rusted factory arms,...
Polyurethane bushings improve ride quality and rear end performance.
$49.99
GPHP_3005-B
All
Bushings
Differential Mount Bushing
Driveline and Axles
UMI Performance
Upgrade your rear end housing with polyurethane bushings to improve ride quality and performance. These bushings are designed to replace the worn out OEM...
GBF001-2 - 1978-1988 GM G-Body Handling Package, 2" Lowering- Stage 1
$1,158.99
GPHP_GBF001-2-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
The Stage 1 is perfect for the G-Body owner who wants a simple and effective suspension upgrade with real handling improvement. This kit includes...
FBT003 - 1993-1997 GM F-Body LT1 Front End Kit, Drag- Stage 3
$1,929.99
GPHP_FBT003-R
All
Body
Engine Cradle
Frame
UMI Performance
UMI’s Stage 3 kit is for when you’re starting to get serious. The rod end upper and lower a-arms reduce friction and unsprung weight...
FBS004 - 1998-2002 GM F-Body LS1 Front End Kit, Street- Stage 4
$2,749.99
GPHP_FBS004-R
All
Body
Engine Cradle
Frame
UMI Performance
UMI’s Stage 4 kit provides a solid foundation for your street car used for corner carving duty. It features the best of both worlds...
UMI Stage 3 kit: pro handling, Bilstein shocks, made in PA, USA.
$3,539.99
GPHP_GBF003-1-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s Stage 3 kit is designed to deliver excellent street performance and Pro-Touring handling. It features Delrin lower a-arm bushings for precise steering, ½”...
3019 - 1978-1988 GM G-Body 12-Bolt Swap Adjustable Upper Control Arms
$299.99
GPHP_3019-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
These control arms from UMI Performance are designed to bolt a 1964-1972 GM A-Body 10-Bolt or 12-Bolt rear end into a 1978-1988 GM G-Body;...
SS103049 - 1968-1972 GM A-Body UMI Shock/Spring Kit, Factory Height
$665.99
GPHP_SS103049
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
Looking for performance handling but like the old school factory look? The UMI spring and shock kit is designed to provide a huge improvement...
GBR024 - 1978-1988 GM G-Body Pro-Touring Rear Suspension Kit
$869.99
GPHP_GBR024-R
All
Suspension
Suspension Components
Suspension Control Arm
Suspension, Springs and Related Components
UMI Performance
UMI's new pro-touring kit features all of our top of the line Pro-Tour style components in one convenient package. The lower arms are loaded...
UMI lowering kit with Viking shocks, 550 lb front coil-overs, and rear springs.
$1,349.99
GPHP_GBF550-1
All
Coilover Adjustable Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s lowering package includes four Viking double adjustable shocks, a hybrid front coil-over spring system with 550 lb front springs, and your choice of...
3020 - 1978-1987 GM G-Body Rear Lift Bar Set-Up
$439.99
GPHP_3020-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
The UMI Performance lift bars replace your stock rear control arms adding tremendous track gains while not effecting ride height and keeping ride quality...
GBF005-2 - 1978-1988 GM G-Body Handling Kit- Stage 4, 2" Lowering
$4,929.99
GPHP_GBF005-2-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
Who says you can't have it all? UMI's Stage 4 kit transforms your G-Body into a handling machine with the adjustability to perform well...
FBT004 - 1993-1997 GM F-Body LT1 Front End Kit, Street- Stage 4
$2,569.99
GPHP_FBT004-R
All
Body
Engine Cradle
Frame
UMI Performance
UMI’s Stage 4 kit provides a solid foundation for your street car used for corner carving duty. It features the best of both worlds...
GBF005-1 - 1978-1988 GM G-Body Handling Kit- Stage 4, 1" Lowering
$4,929.99
GPHP_GBF005-1-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
Who says you can't have it all? UMI's Stage 4 kit transforms your G-Body into a handling machine with the adjustability to perform well...
GBF002-1 - 1978-1988 GM G-Body Handling Package, 1" Lowering- Stage 2
$3,229.99
GPHP_GBF002-1-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI Performance’s newly renovated Stage 2 handling kit includes everything to upgrade and rebuild the suspension on your classic 1978-1988 GM G-Body. The Stage...
FBT001 - 1993-1997 GM F-Body LT1 Front End Kit, Drag- Stage 1
$1,449.99
GPHP_FBT001-B
All
Body
Engine Cradle
Frame
UMI Performance
UMI’s Stage 1 kit is the perfect starting point for removing front end weight and improving the weight transfer in your 4th Gen. Our...
GBF035-1 - 1978-1988 GM G-Body Handling Kit, 1” Lowering- Stage 3.5
$4,059.99
GPHP_GBF035-1-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s Stage 3.5 kit is designed to transform your GM G-Body from a grandma cruiser to a capable corner carver with the twist of...
Stage 4 Kit: tubular A-arms, coilovers, sway bars, and adjustable shocks.
$4,929.99
GPHP_GBF004-2-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI's Stage 4 kit is designed to transform your G-body into a high-performing vehicle with adjustable features for both street driving and racing. This...
GBF002-2 - 1978-1988 GM G-Body Handling Package, 2" Lowering- Stage 2
$3,229.99
GPHP_GBF002-2-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI Performance’s newly renovated Stage 2 handling kit includes everything to upgrade and rebuild the suspension on your classic 1978-1988 GM G-Body. The Stage...
FBT002 - 1993-1997 GM F-Body LT1 Front End Kit, Street- Stage 2
$1,789.99
GPHP_FBT002-R
All
Body
Engine Cradle
Frame
UMI Performance
UMI’s Stage 2 kit provides a solid foundation for your street car used for drag strip duty. It features the best of both worlds...
Boxed rear control arms boost handling, traction, and durability.
$369.99
GPHP_3021-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are prone to bushing deflection and rusting, leading to traction loss...
302116 - 1978-1988 GM G-Body Rear Control Arm Kit, Fully Boxed Lowers
$519.99
GPHP_302116-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
This kit replaces both the rear upper and lower rear control arms on any 78-87 GM G-Body. Kit is designed to reduce traction loss...
UMI rear control arm swap kit for A-Body rear into G-Body chassis
$519.99
GPHP_301519-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
This kit includes both the upper and lower rear control arms designed to easily bolt a 1964-1972 GM A-Body 10-Bolt or 12-Bolt rear end...
Stage 4 Kit: tubular A-arms, coilovers, sway bars, and adjustable shocks.
$4,929.99
GPHP_GBF004-1-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI's Stage 4 kit is designed to transform your G-body into a high-performing vehicle with adjustable features for both street driving and racing. This...
UMI Stage 3 kit: pro handling, Bilstein shocks, made in PA, USA.
$3,539.99
GPHP_GBF003-1-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s Stage 3 kit is designed to deliver excellent street performance and Pro-Touring handling. It features Delrin lower a-arm bushings for precise steering, ½”...
FBT003 - 1993-1997 GM F-Body LT1 Front End Kit, Drag- Stage 3
$1,929.99
GPHP_FBT003-B
All
Body
Engine Cradle
Frame
UMI Performance
UMI’s Stage 3 kit is for when you’re starting to get serious. The rod end upper and lower a-arms reduce friction and unsprung weight...