{"product_id":"hypereutectic-piston-set-4-040-inch-bore","title":"Hypereutectic Piston Set, 4.040 Inch Bore","description":"The Keith Black KB198-040 piston set is engineered for Small Block Chevy Gen I engines, specifically designed for a 4.040-inch bore. These pistons are constructed from hypereutectic aluminum, providing a balance of strength and lighter weight compared to cast pistons.\n\nKey specifications include a 1.561-inch compression height, a 0.927-inch pin diameter, and a piston head volume of +6.25cc. The pistons feature 4 symmetrical valve reliefs and a centered pin design. They also come with Triple Spiral Lock Rings and have CNC machined pin bores for precision.\n\nAdditional features highlighted in the product information include a coated skirt for improved oil control and reduced friction, as well as fully machined heads and valve reliefs for enhanced performance. The wrist pin style is compatible with both press-fit and floating configurations.","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":52662810575160,"sku":"KB198-040","price":430.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687499385.jpg?v=1784321262","url":"https:\/\/store.motormia.co\/products\/hypereutectic-piston-set-4-040-inch-bore","provider":"MOTORMIA","version":"1.0","type":"link"}