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
Spanner Wrench- Spanner wrench is used for adjusting and disassembling UMI Roto-Joints. Over time the Delrin race inside the Roto-Joint may wear, the spanner...
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
GBF005-2 - 1978-1988 GM G-Body Handling Kit- Stage 4, 2" Lowering
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
GBF005-1 - 1978-1988 GM G-Body Handling Kit- Stage 4, 1" Lowering
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
Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full...
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
Spring Heights: Springs are intended for small block engine. Lightweight LS engines may require trimming and an additional 1/4" front end drop may occur...
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
Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full...
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...
GBF015-1 - 1978-1988 GM G-Body Handling Package, 1" Lowering- Stage 1.5
$1,479.99
GPHP_GBF015-1-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
GBF015-1 - 1978-1988 GM G-Body Handling Package, 1" Lowering- Stage 1.5
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”...
FBF002 - 1970-1981 GM F-Body Handling Kit, 2" Lowering, Stage 2
$2,879.99
GPHP_FBF002-B
All
Suspension
Suspension Components
Suspension Lowering Kit
Suspension, Springs and Related Components
UMI Performance
FBF002 - 1970-1981 GM F-Body Handling Kit, 2" Lowering, Stage 2
302116 - 1978-1988 GM G-Body Rear Control Arm Kit, Fully Boxed Lowers
$519.99
GPHP_302116-B
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...
Tubular rear control arms improve traction, handling, and ride quality.
$149.99
GPHP_3016-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
Rear control arms are an essential suspension upgrade for your GM vehicle. Stock control arms can lead to traction loss and poor handling due...
GBR024 - 1978-1988 GM G-Body Pro-Touring Rear Suspension Kit
$869.99
GPHP_GBR024-B
All
Suspension
Suspension Components
Suspension Control Arm
Suspension, Springs and Related Components
UMI Performance
Spanner Wrench- Spanner wrench is used for adjusting and disassembling UMI Roto-Joints. Over time the Delrin race inside the Roto-Joint may wear, the spanner...
UMI Stage 3 kit: pro handling, Bilstein shocks, made in PA, USA.
$3,539.99
GPHP_GBF003-2-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”...
GBF002-2 - 1978-1988 GM G-Body Handling Package, 2" Lowering- Stage 2
$3,229.99
GPHP_GBF002-2-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
Springs: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full...
Tubular rear control arms improve traction, handling, and ride quality.
$149.99
GPHP_3016-R
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
Rear control arms are an essential suspension upgrade for your GM vehicle. Stock control arms can lead to traction loss and poor handling due...
301417 - 1978-1988 GM G-Body Adjustable Upper & Lower Control Arm Kit
$519.99
GPHP_301417-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
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...
GBF005-2 - 1978-1988 GM G-Body Handling Kit- Stage 4, 2" Lowering
$4,929.99
GPHP_GBF005-2-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
GBF005-2 - 1978-1988 GM G-Body Handling Kit- Stage 4, 2" Lowering
SS103051G - 1978-1988 GM G-Body UMI Shock and Spring Kit, 2” Lowering
$665.99
GPHP_SS103051G
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
SS103051G - 1978-1988 GM G-Body UMI Shock and Spring Kit, 2” Lowering
GBF015-2 - 1978-1988 GM G-Body Handling Package, 2" Lowering- Stage 1.5
$1,479.99
GPHP_GBF015-2-B
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
GBF015-2 - 1978-1988 GM G-Body Handling Package, 2" Lowering- Stage 1.5
Stage 4 Kit: tubular A-arms, coilovers, sway bars, and adjustable shocks.
$4,929.99
GPHP_GBF004-1-R
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...
3020 - 1978-1987 GM G-Body Rear Lift Bar Set-Up
$439.99
GPHP_3020-R
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...
UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs.
$1,349.99
GPHP_GBF350-2
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 350 lb front springs, and your choice of...
UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs.
$1,349.99
GPHP_GBF250-1
All
Coilover Adjustable Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s lowering package features four Viking double adjustable shocks, a hybrid front coil-over spring system with 250 lb front springs, and your choice of...
GBF035-2 - 1978-1988 GM G-Body Handling Kit, 2” Lowering- Stage 3.5
$4,059.99
GPHP_GBF035-2-R
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
Spring Heights: Springs are intended for small block engine. Lightweight LS engines may require trimming and an additional 1/4" front end drop may occur...
Stage 4 Kit: tubular A-arms, coilovers, sway bars, and adjustable shocks.
$4,929.99
GPHP_GBF004-2-R
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 lowering kit with Viking shocks, hybrid coil-overs, and rear springs.
$1,349.99
GPHP_GBF250-2
All
Coilover Adjustable Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
UMI’s lowering package features four Viking double adjustable shocks, a hybrid front coil-over spring system with 250 lb front springs, and your choice of...
3017 - 1978-1987 GM G-Body Adjustable Upper Control Arms - Ultimate Arms
$249.99
GPHP_3017-B
All
Suspension
Suspension Components
Suspension Trailing Arm
Suspension, Springs and Related Components
UMI Performance
Features: - On-Car Adjustability - 4140 Chrome-Moly Threaded Tube Adapters - 4140 Heated Treated Chrome-Moly Adjusters - QA1 3/4" Hard Chrome Plated, Teflon/Kevlar Self...
301517 - 1978-1988 GM G-Body Lower Control Arm & Adj Upper Control Arm Kit
$469.99
GPHP_301517-B
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...
SS103051 - 1968-1972 GM A-Body UMI Shock/Spring Kit, 2” Lowering
$665.99
GPHP_SS103051
All
Coil Spring Lowering Kit
Suspension
Suspension, Springs and Related Components
UMI Performance
SS103051 - 1968-1972 GM A-Body UMI Shock/Spring Kit, 2” Lowering