How do I adjust the Koni shocks included in this kit?

The Koni shocks in this UMI Stage 1.5 kit are designed for easy adjustment without special tools. You can simply turn the knob on the shock body to change the rebound damping settings, with the middle setting often recommended as a starting point.

Will this kit fit my car if it has a big block engine?

This kit is primarily tuned for Small Block and LS engines. While it includes notes for big block engines, a 1/4-inch additional front end drop may occur due to the increased weight. It's always a good idea to check specific fitment details for your engine configuration.

What is the main benefit of the taller upper ball joints?

The 1/2-inch taller upper ball joints included in this package are designed to improve the camber curve as the suspension compresses. This leads to better tire contact with the road during cornering, resulting in improved stability and grip.

UMI Performance

Specifications

Brand: UMI Performance
Part #: ABF415-67-1-B
UPC: ABF415-67-1-B

UMI Performance

UMI Performance 67 GM A-Body Handling Package 1in Lowering- Stage 1.5

Name: UMI Performance 67 GM A-Body Handling Package 1in Lowering- Stage 1.5
Brand: UMI Performance
Price: 1730.39 USD
Availability: InStock

$1730.39

UMI Performance 67 GM A-Body Handling Package 1in Lowering- Stage 1.5. Improves handling and cornering for your classic muscle car.

Key Features

Fits 1967 Buick Skylark, Buick Special, Chevrolet Chevelle, Chevrolet El Camino, Chevrolet Malibu, Oldsmobile 442, Oldsmobile Cutlass, Oldsmobile F85, Pontiac GTO, and Pontiac LeMans.
Includes Koni rebound-adjustable shocks with 20-click adjustment for personalized damping.
Features 530 lb/in linear front and 130 lb/in linear rear lowering springs for a 1-inch drop and improved handling.
Equipped with a 1.250-inch CrMo front sway bar and a 1-inch heat-treated rear sway bar to minimize body roll.
Comes with 1/2-inch taller than stock upper ball joints to enhance camber control during cornering.
Shocks are designed for easy, tool-free adjustment of rebound damping.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

If you're looking to take your 1967 GM A-Body muscle car to the next level in terms of handling and road feel, this Stage 1.5 Handling Package from UMI Performance is a solid choice. This kit is designed to give your classic a more planted and responsive feel, whether you're cruising down the highway or carving through some twisty back roads. It's a comprehensive upgrade that addresses multiple aspects of your suspension to work together for a balanced and improved driving experience.

What sets this Stage 1.5 kit apart is the inclusion of Koni rebound-adjustable shocks. These shocks allow you to fine-tune the rebound damping with a simple knob adjustment, giving you control over how the car handles bumps and body movements. UMI also includes 1-inch lowering springs, rated at 530 lb/in in the front and 130 lb/in in the rear, which help lower the car's center of gravity for less body roll and a sportier stance. To further combat body roll, you get a beefy 1.250-inch front sway bar and a 1-inch rear sway bar. Additionally, the kit features 1/2-inch taller upper ball joints, which are crucial for improving the camber curve during cornering, leading to better tire contact and grip.

UMI has put a lot of thought into how different engine weights affect the stance. This kit is tuned for Small Block and LS engines, with a note that heavier big block engines might result in a slightly lower front end. The components are proudly made in the USA, and the shocks are designed for easy adjustment without special tools. This package is a great way to get a significant handling improvement on your classic A-Body, making it more enjoyable and capable on the street and even for occasional track use like auto-cross.