Radium Rear Clamshell Shim Kit - Lotus Exige (All)

Radium Rear Clamshell Shim Kit - Lotus Exige (All)

Application: Lotus Exige / Exige-S
Part Type: Rear clamshell shim kit
Part Number: 20-0055

This Radium kit replaces the factory Lotus Exige steel body shim spacers with a permanently secured, lightweight alternative. The factory shims are taped to the rear subframe and easily lose adhesion and alignment with the four trunk-mounted through holes – they can slip out from under each other and get lost.

Radium shims are laser cut from 5052 aluminium plate, media blasted and anodised black, and each is held in place by a flat countersink screw and locking pinch nut. The included manual covers rear clamshell removal, shim installation and further modifications that cut future removal time to 10 minutes or less.

Key Features

• Permanently Secured: Countersink screw and locking pinch nut – no tape, no lost shims
• Lightweight: 73% weight saving over the factory steel shims
• Durable Finish: Media blasted and black anodised 5052 aluminium
• Detailed Manual: Covers clamshell removal and quicker future removal

What's Included

• 4x Laser-cut anodised aluminium body shims
• 4x Stainless steel countersink M6 screws
• 4x Conical top M6 oval locking pinch nuts
• Detailed installation instructions

Important Notes

• Shim thickness is consistent but may vary slightly from the factory shim stack – no noticeable difference in body fitment
• Initial clamshell removal takes approximately 1.5–2 hours; with the modifications in the manual this can be reduced to 10 minutes or less
• Installation instructions are available in the Instructions tab

Vehicle Fitment

• Lotus Exige / Exige-S (Radium instructions cover 2006+ models)

Not sure if this suits your vehicle? Email sales@coore.com.au and our team will confirm fitment.