Includes pins and wire locks. Can be used with either pressed fit or bushed rods. These hypereutectic Speed Pros are perfect for stock to moderate performance rebuilds. Silicone aluminum alloy allows them to run with tighter clearances, less friction, and increased sealing.Higher strength compared to regular cast pistons. Duroshield coating on piston skirts delivers longer life and reduced friction. Need a Pistons and Rings Combo Kit? For these Speed Pro Pistons with a set of Speed Pro Moly Rings! Powered by SixBit's eCommerce Solution. The item "Speed Pro H617CP30 Small Block Chevy 350 355.275 Dome Hyper Pistons 030 SBC 5.7" is in sale since Tuesday, December 09, 2014. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Pistons, Rings, Rods & Parts". The seller is "racersauctions" and is located in Ames, Iowa. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Russian federation, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica.