Tokico Illumina Adjustable Performance Struts - ILLUMINA ADJUSTABLE PERFORMANCE STRUT 5-position externally adjustable from soft to maximum control with just the turn of a screwdriver Lets you fine-tune your suspension to your riding style and changing road conditions Unlike the competition that simply changes rebound damping, this strut uses a calibrated bypass/shutter valve system that changes both rebound and compression damping SIMULTANEOUSLY! Tokico�the undisputed leader in overall performance and adjustment ease�offers the ultimate strut for everything from daily driving to autocross to drag racing! Adjustments are more consistent and more precise than other struts. NOTE: SKU numbers ending in F are factory shipped and may take a little longer to reach you. Applications:1990-1996 Nissan 300ZX