If you’re looking to sharpen throttle response, improve acceleration, and get more out of your 2006–2013 C6 Z06 or 2009–2013 ZR1, swapping to a 3.90 gear ratio is one of the most effective drivetrain upgrades you can make. The factory 3.42 ratio leaves performance on the table — the 3.90 closes that gap by keeping the engine deeper in its powerband through the gears, delivering a noticeably more aggressive and responsive driving experience on both the street and the track.
Motive Gear is the only manufacturer producing this application-specific 3.90 ring and pinion set for the C6 Z06 and ZR1 platform, making this your only option for a quality aftermarket performance upgrade at this ratio.
Manufactured from 8620 alloy steel — the industry standard material for performance ring and pinion sets — this gear set is engineered for quiet, smooth operation despite the more aggressive ratio. No excessive gear whine, no compromise in refinement, just a direct confidence-inspiring upgrade that transforms how your C6 Z06 or ZR1 pulls through every gear.
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