Welcome to OneStopPerformance.com Your home of the worlds quickest snowmobiles! Don't be fooled we have the proof! 15+ world records on ICE, GRASS, ASPHALT, and SPEED RUNS! When you want results come to One Stop Performance! In the beginning of 2010 OSP started to work on a turbo / Standalone EFI kit for the YAMAHA Nytro (King of the trail class/Lake Racers) One Stop set out to build the baddest of the baddest with two things in mind, EXTREME POWER & RELIABILITY. With countless hours/days/weeks/months this kit is now available to you! OSP has won many events including 2010 American Snowmobilers 21st New York Shoot out, (Setting the fastest track record ever!) Haydays 2010 King of the trail class and more! One Stop Performance was the 1st performance shop to install MSD ignition on a (turbocharged) carbureted RX1 6 years ago! 1st to send a drag sled in to the 3 second mark in 500ft! 1st to install standalone EFI / ignition for YAMAHA APEX! 1st to install Standalone EFI / ignition on YAMAHA Nytro, Ski-doo 1200, and Arctic Cat crossfire (turbo). We have the best working standalone units, proven to work! OSP is also busy working on a lower boost Yamaha nytro turbo kit for 100% pump gas trail riding. OSP has opened a online store! Please visit us at www.OspRacingParts.com for all your favorite parts.