Kelch 7j202514 Gas Cap for Polaris Atv's 8" Long This Kelch 8" Gas Cap Will Fit Many Models Of Polaris ATV Make Sure To Measure Your Tank Depth So You Know The Gas Cap Will Work Measure From The Top Of The Filler Neck Threads, Straight Down To The Tank Bottom. You will Need At Least 8 1/4" Of Tank Depth, For This Gas Cap To Work