Improve rear suspension rigidity and reduce unwanted cradle movement on your sixth-generation Chevrolet Camaro with the Chevrolet Performance 84341929 ZL1 1LE Spec Solid Rear Cradle Mounts. Developed to ZL1 1LE specifications, these genuine Chevrolet Performance mounts replace the Camaro's compliant factory rubber rear cradle bushings with precision-machined solid aluminum components designed for serious track and drag-racing applications. The factory rear cradle is isolated from the body with rubber bushings that help control noise, vibration, and harshness during everyday driving. While this compliance is desirable for a street car, it also allows movement between the rear suspension cradle and chassis when the vehicle is subjected to hard acceleration, braking, cornering, and other high-load conditions. Chevrolet Performance addresses that movement with Part Number 84341929. The ZL1 1LE Spec mounts are constructed from 6061-T6 aluminum and machined from billet. Replacing the standard rubber bushings with these solid mounts creates a more rigid connection between the rear cradle and vehicle structure, reducing suspension compliance and allowing the rear suspension to operate from a more stable foundation. This increased rigidity is particularly beneficial during aggressive driving. With less cradle movement under load, suspension geometry can remain more consistent as the vehicle accelerates, corners, and transitions through demanding track conditions. The result is a more direct connection between the rear suspension and chassis, making the 84341929 mounts a purpose-built upgrade for Camaro owners prioritizing performance over factory levels of isolation and refinement. Chevrolet Performance specifically describes these mounts as intended to add rigidity while reducing suspension compliance for drag-strip or track-driving applications. They are not simply aftermarket-style bushing inserts or stiffened rubber replacements—the factory rubber cradle bushings are replaced by solid billet-aluminum mounts. Their performance credentials extend beyond the ZL1 1LE road-course application. Chevrolet also incorporated the ZL1 1LE-spec solid cradle bushings into its Camaro ZL1 Drag Development Program. Chevrolet's development vehicle used Part Number 84341929 along with other drag-focused components while developing a ZL1 concept capable of running a 10-second quarter-mile. For Camaro owners building a track-focused, autocross, road-race, or drag-race vehicle, the Chevrolet Performance 84341929 Solid Rear Cradle Mounts provide a substantial chassis upgrade using genuine GM components engineered around the sixth-generation Camaro platform.

Key Features

• Genuine Chevrolet Performance rear suspension upgrade
• Constructed from 6061-T6 aluminum
• Precision machined from billet aluminum
• Solid construction
• Replaces factory rubber rear cradle bushings
• Creates a more rigid rear cradle-to-body connection
• Reduces rear suspension cradle compliance
• Reduces unwanted subframe/cradle movement under load
• Helps maintain a more stable rear suspension mounting platform
• Designed for aggressive performance driving
• Suitable for drag-strip applications
• Suitable for track-driving applications
• Appropriate for road-course and competition-oriented Camaro builds
• Used as part of Chevrolet's Camaro ZL1 Drag Development Program
• Genuine GM/Chevrolet Performance component

Important Notes

• This is a true solid-mount conversion rather than an insert designed to fill voids in the factory rubber bushings.
• Reduced cradle movement can provide a more consistent suspension mounting point during acceleration, braking, cornering, and rapid transitions.
• The increased rigidity can improve the driver's perception of rear suspension response and chassis feedback.
• Replacing rubber isolation bushings with solid aluminum mounts can increase noise, vibration, and harshness transmitted into the passenger compartment.
• Increased NVH is a normal tradeoff associated with solid chassis and suspension mounting components.
• These mounts are most appropriate for performance-focused vehicles where suspension precision and chassis rigidity take priority over factory isolation.
• Because rear suspension cradle position is critical to suspension geometry, installation should be performed using the proper GM service procedures and appropriate equipment.
• A professional wheel alignment is recommended after installation or any other procedure involving removal or repositioning of the rear cradle.
• Verify rear suspension geometry and vehicle alignment before competition use.
• A California Proposition 65 warning applies to this product.