Out of stock
SKU: AFC20185-1
MPN: 20185-1
The AFCO Racing Products C/O Spring Rubber 7/8in isolator is a precision polyurethane component engineered for vehicles running coil-over suspension systems. As a mechanic familiar with suspension geometry and NVH (noise, vibration, harshness) tuning, you'll recognize this as a critical damping element between spring and chassis. These isolators are essential for any serious suspension build—whether you're upgrading a street car, autocross platform, or weekend track warrior. They absorb high-frequency vibrations and prevent metal-to-metal contact that would degrade ride quality and accelerate component wear.
Constructed from durable black polyurethane, this 7/8-inch height rubber is specifically designed to fit coil-over springs in the 2.5 to 2.625-inch diameter range—a common spec on modern performance suspensions. The material composition provides consistent spring rate isolation across temperature extremes while resisting oil and UV degradation far better than traditional rubber. At 0.54 lbs with compact dimensions (4.9 x 2.3 x 6.25 inches), each unit is individually engineered for load distribution without binding or premature compression set. AFCO's manufacturing tolerances ensure uniform performance across your suspension setup, critical for maintaining aligned geometry and predictable handling balance.
This spring rubber benefits anyone upgrading from OEM soft suspension to adjustable coil-over systems, particularly if you're running stiffer springs or lowering your ride height. Installation is straightforward—stack the isolator between spring and perch, ensuring even seating to avoid binding during compression cycles. If you're swapping to a complete coil-over kit or refreshing worn isolators on an existing setup, verify your spring outer diameter falls within the 2.5 to 2.625-inch window. Quality isolators like this one pay dividends in reduced cabin noise, more responsive chassis feedback, and extended suspension component life—details that separate a refined setup from a harsh, premature-failure build.
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