Hardrace Rear Upper Camber Kit – Suzuki Cappuccino

Hardrace Rear Upper Camber Kit – Suzuki Cappuccino (Q1428)

Product Overview

The Suzuki Cappuccino utilizes an advanced, lightweight double-wishbone rear suspension layout that makes it incredibly nimble. However, when you lower this chassis on performance coilovers or lowering springs, it induces aggressive, non-adjustable negative camber. Left uncorrected, this excessive tilt leads to severe inner-tire wear and limits your acceleration traction by lifting the outer half of the tire off the pavement.

The Hardrace Rear Upper Camber Kit (Q1428) is an essential suspension correction system engineered to restore total alignment authority to your chassis. Available at JDMaster.net, these adjustable arms are manufactured from thick-walled, ultra-high-strength tubular steel alloy. Pre-assembled with high-durometer hardened rubber bushings and premium ball joints, this kit allows you to fine-tune your rear camber back to factory specifications for daily street driving, or optimize the contact patch for maximizing cornering adhesion under high-G track loads.

Key Features & Benefits

• Fine Camber Adjustability: Provides a wide range of continuous length adjustment, allowing you to seamlessly correct geometry on heavily lowered cars or dial in custom aggressive tracking specifications.

• High-Strength Tubular Steel Alloy: Fabricated from premium steel tubing that is significantly stronger and more rigid than the thin factory stamped-metal pieces, resisting bending under heavy lateral force.

• High-Durometer Hardened Rubber Bushings: Loaded with solid, high-hardness vulcanized rubber bushings. These offer a massive reduction in mechanical deflection compared to sloppy, aging factory rubber without the harsh NVH of solid metal bearings.

• Maximized Rear Contact Patch: Spreads cornering forces evenly across the entire face of the rear tires, heavily increasing cornering traction, mid-corner stability, and rear-wheel-drive launch bite.

• Premium ED Coating Finish: Coated inside and out with an advanced Electrophoretic Deposition (ED) layer and industrial paint to ensure long-term defense against rust, stone chips, and moisture.

• Direct Bolt-On Fitment: Designed as a precise, direct structural upgrade that integrates seamlessly with your factory subframe pickup points and rear wheel knuckles.

Technical Specifications

Applications

This precision-engineered adjustable rear camber arm kit is explicitly optimized for both generations of the iconic turbocharged, rear-wheel-drive Suzuki Kei-car layout:

• Suzuki Cappuccino (1991–1995 — EA11R Chassis / F6A Turbo Engine)

• Suzuki Cappuccino (1995–1998 — EA21R Chassis / K6A Turbo Engine)

The Mechanical Advantage: Taming Lowered Double-Wishbone Geometry

On a double-wishbone rear layout like the Cappuccino’s, the upper control arm governs the tracking arc of the rear hub assembly. As the suspension compresses—or when the vehicle’s ride height is permanently lowered—the upper arm pulls the top of the steering knuckle inward. Because the factory rear upper arms are fixed-length components, there is no way to dial out this resulting negative camber.

The Hardrace Q1428 kit solves this mechanical limitation entirely. By introducing an adjustable turnbuckle center sleeve, you can physically extend or shorten the arm to relocate the top of the knuckle. Lengthening the arm pushes the top of the wheel back outward, squaring the tire flat with the tarmac to prevent uneven tire wear. Furthermore, by replacing decades-old, deteriorated factory rubber with Hardrace’s high-durometer vulcanized rubber bushings, your rear camber settings stay locked under heavy load, eliminating the vague, unpredictable rear-end wandering common to older chassis.

Professional Lift Installation & Alignment Notes

Technical Fitting Note: The Hardrace Q1428 kit replaces the factory structural rear upper arms. Because altering these arms changes your rear camber, track width, and rear steering toe lines simultaneously, a professional four-wheel laser alignment is strictly mandatory immediately following installation.

To ensure maximum bushing longevity, the final tightening sequence for the inner chassis bushing bolts must be executed only while the vehicle is resting under its own full weight at natural ride height on an alignment rack or drive-on hoist. Securing the pivot bolts while the suspension is hanging unloaded twists the rubber permanently, causing premature bushing tearing and inconsistent handling tracking. You can book a professional setup and suspension tuning session at our fully equipped JDMaster.net workshop, where our alignment specialists tailor geometry for fast road, time attack, or classic preservation.

Warranty

The warranty on Hardrace products depends on the type of product, with a minimum warranty period of 2 years. This warranty does not cover damage caused by a car crash, improper use, negligence or normal wear and tear.