Fast Boot X is a premium quality CV Boot that provides comprehensive coverage for ATVs and UTVs with extended suspensions found on compatible with Polaris RZR, Can Am Maverick and many other off road vehicles. It also provides coverage for heavy duty aftermarket axles including Gorilla, Rhino, High Lifter, Slasher, Wild Boar and others. FAST-BOOT X fits both inner and outer joints on both front and rear axles for unequaled coverage in ATVs and UTVs with heavy duty axles and/or extended suspensions. Each kit includes an X Boot, stainless steel clamps, CV grease and detailed instructions Made in the USA.