Please note that most piston sets are not returnable or exchangeable therefore please make sure that you are purchasing the correct set for your application/ build. If you are unsure and need help placing your order please contact us. For compression calculation please use the Zeal Works Compression Calculator which can be found via the following external link: http://www.zealautowerks.com
* WARNING: CANCER & REPRODUCTIVE HARM- www.P65WARNINGS.CA.GOV **Some products may be OFF-ROAD USE ONLY. Always check Leagality of Aftermarket Products with your Local State, County, and/ or City Authorities Before Purchasing.