Jawzy's -//- 330.273.6161 -//- Monday - Friday 10am - 5pm EST Actual product may vary based on application.Before purchasing, please contact us with any questions regarding the product specifically for your year/make/model.Item DescriptionPart: Wiseco Top End/Piston KitMake: PolarisModel: Trail Boss 350LYear: 1990-1993Wiseco Part Number: PK1648Bore Size: 80.5mmNotes: 2x4 & 4x4 Product Information:-Premium materials produce the best sealing technology avalible exceeding OEM standards.-Dedicated forging-Superior strength/weight ratio utilizing Aerospace alloy-Contain all the necessary componets for overboring or rebuilding your top end-Feature forged piston, rings, wrist pin, circlips, top endgasket set and needle bearing.-Cylinder sleeves not included2 Stroke Kits:-Race proven designs-Chosen by top race teams, in all form sof racing-CNC Machined-Optimal cam shape and profile for peak HP and service life-Premium top end needle bearing-Precision machined, highest quality materials for strength and reduced friction-High-performance ring set-Extended life and sustained power-Highest quality, alloy Pin-Consistently true and durableReturn Policy - You must contact us first to receive an RMA number and the RMA number must be clearly written on the outside of the package. All items must be returned in the same condition as it was received and must include all of the original packaging and documentation that was included with the item from the manufacturer.Combined Shipping Discount - When purchasing multiple items we will combine the shipping. This is done by taking the greatest shipping cost and adding $2 for every additional item. To take advantage of the discount, all items must be purchased within a 7 day period and paid for with one single payment to cover all items. Please contact us directly through eCRATER if the combined shipping discount is not applied correctly or not at all and we will fix it.International Shipping - International Buyers - Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to looking/buying. Also, we will not mark items as gifts or change the declared value of the package contents.Tax Charges - Ohio residents will be charged sales tax.About Our Items for Purchase - All items are NEW IN BOX.Shipping - We reserve the right to utilize the shipping company of our choice.Reaching Us - We are completely dedicated to your total satisfaction. Please contact us if you have any questions, comments or problems. We would love to hear from you! If you need to reach us, please contact us through eCRATER or call 330.273.6161.Jawzy's -//- 330.273.6161 -//- Monday - Friday 10am - 5pm EST