The Pro Series II has the same strength as the original Pro Series, but is designed to give an alternative option to suit the needs of different applications and conditions such as mud and endurance racing.The Pro Series II features a sealed outboard CV with our new accordion style boot made from high strength materials!Tests prove our Pro Series XP1000 rear axles to be 2 times stronger than the OEM shafts.Designed for Cognito -Grounded 4 Long Travel suspensions.100% manufactured and assembled in the USA.FitsCognito -Grounded 4 Long Travel Kits+3.73" over stock length300M axle shaftCVs feature 4340 chromoly body -300M internals - Inner CV plunges 2.25”33 spline 300M center bar with plunging inboard CV eliminates halfshaft pull-outDesigned for extreme racing conditionsRecommended grease:HT1LF-SPECWarranty:Backed by a1 YearWarrantyagainst breakage to the original purchaser.Warranty does not cover the willful destruction of product. All claims are subject to review.Learn more about our affordable Pro Series rebuild programHERE.Sold Individually**ALL UTV’S WHICH HAVEA-ARMS, RADIUS RODS, TRAILING ARMS OR ANGLESADJUSTED OUTSIDE STOCK SPECSMUSTMEASURE BIKE ACCORDINGLY AS AXLE LENGTH WILL BE AFFECTED. PLEASE SEE OURMEASUREMENT INSTRUCTIONS. <br />

All RCV products are built to order ship times vary, most items ship in 1-4 weeks.