{"product_id":"hypereutectic-piston-set-4-030-bore","title":"Hypereutectic Piston Set, 4.030\" Bore","description":"The Speed-Pro Hypereutectic Piston set is engineered for performance applications, particularly suitable for street performance, bracket racing, and oval track \"claimers.\" These pistons utilize an exclusive FM244 high-silicon alloy, combined with sophisticated \"barrel\" profiles that optimize the oil wedge between the skirt and wall. The piston skirts are protected by a next-generation DUROSHIELD anti-friction coating for enhanced durability and reduced wear.\n\nEach piston in this set features a 4.030\" bore, a -5.00cc flat top dome with two valve reliefs, and specific ring groove dimensions of 5\/64\" x 5\/64\" x 3\/16\". They are weight-matched to within +\/- 2 grams for balanced engine operation. The pistons also include machined valve reliefs and circlip grooves, and wrist pins are included.\n\nSpeed-Pro is a trusted brand for performance engine components, offering advanced technologies like Digital Diamond Profiled™ pistons and A-Series® bearings. By relying on Speed-Pro, enthusiasts can find components based on precise design, material, and manufacturing processes, aiming to make engine rebuilds easier and boost horsepower.","brand":"Speed-Pro","offers":[{"title":"Default Title","offer_id":52663777526072,"sku":"H631CP30","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687712986.jpg?v=1784329524","url":"https:\/\/store.motormia.co\/products\/hypereutectic-piston-set-4-030-bore","provider":"MOTORMIA","version":"1.0","type":"link"}