Feature 1Fitment: Cylinder piston gasket kit is replacement for TRX300EX SPORTRAX 300 2X4 19932008, replacement for TRX300X 2X4 2009, which is made according to the prototype model. 2OE Number: The referencing OE number of the kit are 2100 HM3 L00, 12100 HM3 670,13101 HM3 670, 13011 HM3 671, 13111 HC0 000, 94601 17000,12251 HC0 013, 12251 HC0 003 etc. 3Function: In an engine, piston transfer force from expanding gas in the cylinder to the crankshaft through a piston rod and or connecting rod. 4High Performance: The cylinder gasket can work reliably under harsh conditions, which can improve engine displacement and performance and increase horsepower and torque! 5Outstanding Features: Compact structure, exquisite workmanship, high precision, aluminum alloy material, high strength, not easy to deform and strong impact resistance.Item Type:CylinderPistonGasketKitMaterial: AluminumalloyReference Part Number: .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }2100HM3L00,12100HM3670,13101HM3670,13011HM3671,13111HC0000,9460117000,12251HC0013,12251HC0003, 12191 HM3 670, 12191 HC0 000, 12191 HC0 306, 12191 HC0 680, 12194 HC5 740, 12194 HA0 000, 12194 HA0 306, 91304 HA0 003, 91302 428 000, 91304 HA0 000, 91304 HC4 005, 91305 HA7 671, 91305 HA7 672Cylinder Caliber: Approx: 80mm/3.14inCylinder Displacement: 300CCApplicable Models:ReplacementforTRX300EXSPORTRAX3002X419932008ReplacementforTRX300X2X42009Package List1 x CylinderPistonGasketKit(12pcs Accessories)Note1.Please double check the part number of your item, matching information is for reference only.2.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!