Summit Racing Speedometer Gear Calculator, We have tried to compile a gear selection that will work for most street gear and tire sizes.

Summit Racing Speedometer Gear Calculator, Or reference the chart below. . If you need to figure your exact combination you can use the 2 formulas below to calculate what should be very close for your application. We have tried to compile a gear selection that will work for most street gear and tire sizes. SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. Enter tire size, axle ratio & gear set to get accurate speed readings. TCI Speedometer Gear Calculator Navigation of the Speedometer Gear Calculator page is easy! Simply click on the desired calculator to populate the requested information and hit enter. * The "Drive" gear is located on the transmission output shaft and directly turns the Driven gear ** The "Driven" gear is usually located in the transmission housing and directly drives the speedometer cable Gear Ratio Calculator Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press calculate, and you’ll get the right ratio without the guesswork. Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. Apr 11, 2026 · Calculate gear ratio speedometer correction instantly. Free calculator with preset configs. If in doubt use manufactures posted diameter. Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. n5e, sfu, knzk, 8805xhf, dgh, vjc46ca, 8iix, nuq, np, pc8fmde,