Polaris RZR 170 RZR170 Cylinder Head Rebuild Kit Valves & COMETIC Top End Gasket. Complete Polaris RZR 170 Cylinder Head Rebuild Made Easy! This complete cylinder head rebuild kit has everything you need to refresh your RZR 170 Cylinder Head. Fits Polaris RZR 170 All Years & Models! Includes aftermarket OEM spec valves, valve springs, retainers, seats, keepers, Viton seals, and a complete Cometic top end gasket kit. High performance aftermarket intake and exhaust valves. Durable inner and outer valve springs. The kit includes intake and exhaust valves, a complete set of valve springs, retainers, seats, keepers, and a complete top end gasket kit for a full valve train rebuild. Whether you’re rebuilding your engine for preventative maintenance or repairing a damaged head, this kit has you covered. In under an hour you can have new valves, springs, seals and retainers installed for like-new performance. It’s a great way to refresh your RZR 170 for another 1,000+ hours of fun. Breathe new life into your RZR 170 with this complete cylinder head rebuild kit today! BPRATV – The Best Parts. 0455058, 0454523, 0454522, 0452390, 0452388, 0454515, 0454516, 0452387, 0452389, 0454514, NA-50007T, 0454459, 0454365, 0453451, 0452459, 0454363, 0454640, 0452808, 0454454, 0453672, 0452390, 0452417, 43977, C3596, C3596-EST, 191070359157. DO YOU NEED TO HAVE THIS ITEM INSTALLED ON YOUR VEHICLE? WE HAVE YOU COVERED! We are BPRATV, offering you the best in parts and service for over 20 years. PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE. Interchangeable part: We stock the same parts from different manufacturers so that when back orders occur, we have a part that is equal in quality and cost to send, preventing what can sometimes be long waits. This would be the only reason your order might vary slightly from the description, and the part that is subbed will always be comparable quality. If you only want a specific brand, just ask and we will let you know if it is out of stock and for how long. Once a part has been installed or prepped for installation it is no longer eligible for return. Over 99% of people in the world are not qualified to build an engine, and it is the responsibility of the person assembling and tuning the engine to make sure all the parts are correct and work properly. We ALWAYS STRONGLY recommend work be done by a qualified, experienced mechanic. Please work with us and we will ALWAYS work with you. No other parts nor any labor are included. We are BPRATV, and we offer a huge selection of Titanium fasteners. Once an item has been used or prepped for use with lubricants, sealant, etc. It is not eligible for return.