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Cosmis Racing S5R 18x9 +26 / 18x10.5 +20 Toyo Proxes R888R 275/30R18 / 315/30R18 Coilovers Flush stance
This 2002 Chevrolet Corvette is running Cosmis Racing S5R, staggered: 18x9 +26 up front and 18x10.5 +20 in the rear, wrapped in 275/30R18 front and 315/30R18 rear Toyo Proxes R888R tires.
It sits on coilovers with a flush stance, meaning the wheel face lines up with the fender.
If you are searching for Chevrolet Corvette wheel fitment, Cosmis Racing S5R on a Chevrolet Corvette, 18x9 +26 wheels on a Corvette, or what tire size goes with that setup, this build is a real-world answer, photographed and measured by the owner.
The wheels are 18-inch in diameter and 9 inches wide with a +26 offset up front, and 18-inch by 10.5 inches at +20 in the rear.
A +26 offset on a 9-inch wide wheel puts the wheel face in an aggressive position close to the fender. Lower offset moves the wheel outward; higher offset tucks it in. The rear +20 offset on the 10.5-inch wheel pushes the rear out further for the staggered look.
Cosmis Racing S5R 18x9 +26 on a Chevrolet Corvette is a common Corvette question, and this page shows exactly how it sits, how it clears, and what the owner changed to make it work.
The tire size is 275/30R18 front and 315/30R18 rear: a 275 mm section width with a 30 aspect ratio on the 18-inch wheel, which gives a meaty fit (the tire is wider than the wheel, so the sidewall bulges a little and gives more cushion).
The owner chose Toyo Proxes R888R. See every 275/30R18 tire we carry for this size.
Searching for 275/30R18 tires on a Chevrolet Corvette, or the right tire size for 18x9 +26 wheels? This is one owner's proven combination, and every wheel and tire package we sell ships mounted, balanced and ready to bolt on.
The car is lowered on coilovers, which lets the owner dial in ride height and camber to clear 18x9 +26 and get the flush look.
No rubbing at all, front or rear, no spacers, no fender work. That means the setup fits as-is, which is what most owners want to know before they buy.
Stance: flush. The wheel face lines up with the fender. Flush fitment on a Chevrolet Corvette comes down to the offset and width above; copy them and you get the same result.
Will Cosmis Racing S5R 18x9 +26 fit a 2002 Chevrolet Corvette? This owner's answer is yes, on coilovers, with no rubbing.
6 other Chevrolet Corvette builds in the gallery run sizes like 18x9 / 19x10.5, 19x11 / 19x12.5, 18x9.5, 19x10.5 / 20x13, 19x9.5 / 19x10.5, so you can compare offsets, tire sizes and suspension before you order. See all Chevrolet builds.
Our fitment guarantee covers wheels bought through wheels that fit the 2002 Chevrolet Corvette: pick the car, and every size shown is one we have checked for bolt pattern, hub bore and clearance.
Cosmis Racing S5R is not something we carry today. For the same look on your Corvette, browse wheels that fit the 2002 Chevrolet Corvette in 18-inch sizes near +26 offset; the Chevrolet Corvette wheel and tire packages there ship mounted and balanced.
Financing is available on every set, and 2002 Chevrolet Corvette wheels ship free when bought as a wheel and tire package.
Every car in the Threepieceus gallery was submitted by its owner or collected from real builds, with the wheel size, offset, tire size, suspension and clearance recorded as fitted. Check two or three builds with the same Chevrolet Corvette and size before you order, and add your own ride once it is done so the next owner can see what fits.