SKU: ALL 64167
UPC: 848238034882
MPN: ALL64167
The Alum C/O Sleeve 7in QA1 by Allstar Performance is a precision coilover sleeve engineered for independent suspension builders and performance enthusiasts who demand reliability in custom chassis work. This aluminum component serves as the protective and functional housing for coilover systems, specifically designed for applications requiring a 7-inch sleeve length. Whether you're fabricating a competition vehicle, restoring a classic with modern suspension geometry, or building a dedicated track car, this sleeve provides the structural integrity necessary for repeatable, tunable ride heights and dampening characteristics.
Constructed from aluminum alloy, the Alum C/O Sleeve 7in QA1 delivers lightweight performance without sacrificing durability—a critical balance in suspension design where unsprung mass directly impacts handling response and comfort. The quick-adjust (QA1) feature allows rapid preload or ride height adjustment without full disassembly, reducing downtime during setup and tuning sessions. At 0.51 lbs, this sleeve contributes minimal weight to your suspension package, making it ideal for applications where chassis dynamics and fuel efficiency matter. The 7-inch dimension accommodates mid-range wheel travel budgets common in street performance and road racing builds, offering flexible mounting options across varied frame geometries and ride-height requirements.
This QA1 sleeve is most beneficial for fabricators, suspension shops, and serious DIY builders assembling custom double-wishbone or multi-link setups on vintage platforms, modern swaps, or tube-chassis race cars. Mechanics integrating aftermarket coilover systems into existing vehicles will appreciate the quick-adjustment interface—it eliminates the need for spring removal during height tweaks, saving hours of labor on track day mornings. Compatibility depends on your coilover spring and shock specifications; verify mounting diameter, spring seat type, and total assembled height against your suspension architecture before ordering.
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