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UMI Performance 67-72 GM A-Body Spring Kit Factory Height is UMI Performance manufacturer part number 4049, selected by the verified year, make, and model applications below. Upgrade your 1967-1972 GM A-Body with UMI 4049 Front & Rear Springs, designed for top-notch performance and modern handling. Linear rates of 530 lb/in front and 130 lb/in rear ensure a crisp ride. Suitable for Pro-Tour setups and proudly made in the USA.
Key Features
- Exact UMI Performance manufacturer part number 4049
- Purpose-built lowering springs configuration identified by the listing title
- New aftermarket component supplied in the exact configuration shown
- Selection requires confirmation of every dimension, interface, mating component, and manufacturer note
Fitment
| Years | Make | Model | Application Notes |
|---|---|---|---|
| 1970-1972 | Buick | GS | Confirm every UMI Performance application note and factory configuration |
| 1968-1969 | Buick | GS 350 | Confirm every UMI Performance application note and factory configuration |
| 1968-1969 | Buick | GS 400 | Confirm every UMI Performance application note and factory configuration |
| 1970-1972 | Buick | GS 455 | Confirm every UMI Performance application note and factory configuration |
| 1967 | Buick | Gran Sport | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Buick | Skylark | Confirm every UMI Performance application note and factory configuration |
| 1967-1969 | Buick | Special | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Buick | Sportwagon | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Chevrolet | Chevelle | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Chevrolet | El Camino | Confirm every UMI Performance application note and factory configuration |
| 1967 | Chevrolet | Malibu | Confirm every UMI Performance application note and factory configuration |
| 1970-1972 | Chevrolet | Monte Carlo | Confirm every UMI Performance application note and factory configuration |
| 1971-1972 | GMC | Sprint | Confirm every UMI Performance application note and factory configuration |
| 1967-1971 | Oldsmobile | 442 | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Oldsmobile | Cutlass | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Oldsmobile | F85 | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Oldsmobile | Vista Cruiser | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Pontiac | GTO | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Pontiac | Grand Prix | Confirm every UMI Performance application note and factory configuration |
| 1967-1972 | Pontiac | LeMans | Confirm every UMI Performance application note and factory configuration |
| 1967-1970 | Pontiac | Tempest | Confirm every UMI Performance application note and factory configuration |
Specifications
| Brand | UMI Performance |
|---|---|
| Manufacturer Part Number | 4049 |
| Product Type | Lowering Springs |
| Application Type | Vehicle Specific |
| Condition | New |
What's Included
One new UMI Performance lowering springs package identified by manufacturer part number 4049, plus only the hardware and accessories expressly shown or stated for this exact part number
About UMI Performance
UMI Performance designs and manufactures suspension, chassis, steering, and handling components for American performance vehicles in Philipsburg, Pennsylvania.
Related UMI Performance Products
- Shop all UMI Performance products
- UMI Performance 67-72 GM A-Body Factory Height Springs Rear
- UMI Performance 64-72 GM A-Body Factory Height Springs Front
- UMI Performance 67-72 GM A-Body 1in Lowering Spring Set
Frequently Asked Questions
How do I confirm UMI Performance 4049 is correct for my application?
Match the exact manufacturer part number, year, make, model, factory configuration, dimensions, connection points, and every current UMI Performance note.
Are similar UMI Performance parts interchangeable with 4049?
No. Mounting points, dimensions, adjustment range, material, finish, bushing style, and included hardware can differ between part numbers.
What should be checked after installing UMI Performance 4049?
Inspect fasteners, bushings, joints, clearances, alignment, ride height, and suspension movement after installation and again after the initial road test.
Installation
Follow the current UMI Performance instructions for manufacturer part number 4049. Confirm all torque values, mounting locations, bushings, joints, clearances, ride height, and alignment requirements. Professional installation and a post-installation alignment are recommended when the component changes suspension geometry.
Lowering Springs
Shop lowering springs from Eibach, H&R, Swift Springs, RS-R, UMI Performance, MaxTrac, aFe Control, Ford Racing, Whiteline, Vogtland, ST Suspensions, Belltech, Skyjacker, and Black Ops Auto Works. Find sport lowering springs, Pro-Kit springs, Sportline springs, Spec-R springs, Super Sport springs, Race springs, Down Sus springs, adjustable lowering springs, SUV lowering springs, truck lowering springs, and EV lowering springs for street cars, muscle cars, sport compacts, European performance platforms, SUVs, trucks, and modern EV builds. Lowering springs are the simplest way to drop a vehicle’s ride height. They keep the OE shocks, upper mounts, and suspension geometry components in place and swap only the coil springs for shorter, progressively- or linearly-wound performance springs. Shop by vehicle year, make, model, trim, drop height, spring type (progressive vs linear), and application (street, show, mild-handling, SUV, EV, truck). Lowering springs are the correct choice...
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Suspension
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
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UMI Performance
Shop UMI Performance suspension, chassis, steering, and handling components by exact manufacturer part number and verified vehicle application.UMI Performance Product Families Control arms, panhard bars, trailing arms, and suspension links Sway bars, end-link hardware, chassis braces, and subframes Coilovers, lowering springs, shocks, and suspension packages Crossmembers, engine mounts, driveshaft loops, and installation hardware Choosing the Correct UMI Performance PartConfirm the exact manufacturer part number, year, make, model, factory equipment, mounting position, adjustment range, material, finish, bushing configuration, and every current manufacturer note. Engine, trim, chassis, and platform references remain application notes rather than model tags.About UMI PerformanceUMI Performance designs and manufactures suspension and chassis components for American performance vehicles in Philipsburg, Pennsylvania.Related Collections UMI Performance products Control arms Sway bars Low...
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