{"product_id":"kb-performance-pistons-flat-top-kb162-040-piston-set-4-290-bore-5cc-1-pack","title":"KB Performance Pistons Flat Top KB162.040 Piston Set (4.290 Bore +5cc), 1 Pack","description":"\u003cp\u003eHypereutectic pistons by Keith Black are made from 390 alloy and heat-treated to T6 standards, making them 30 percent stronger than ordinary untreated Hypereutectic.\u003c\/p\u003e\u003cp\u003eThese pistons feature 100 percent CNC-machined crowns, high upper compression-ring location, gas-accumulator groove, drilled oil returns, and spiral-lock retainer grooves, which makes them outstanding for performance applications.\u003c\/p\u003e\u003cp\u003eA lightweight, rigid-rib skirt design stabilizes the piston in the bore.\u003c\/p\u003e\u003cp\u003eAll of this results in pistons that fit tighter than forged types, reduce blowby, increase ring life, eliminate cold start-up knocking, and control oil better.\u003c\/p\u003e","brand":"United Engine \u0026 Machine Co","offers":[{"title":"Default Title","offer_id":51748955390234,"sku":"SLVKB162.040","price":83.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/61FiwHX6xHL.jpg?v=1772041836","url":"https:\/\/trybeepbeep.com\/products\/kb-performance-pistons-flat-top-kb162-040-piston-set-4-290-bore-5cc-1-pack","provider":"TryBeepbeep","version":"1.0","type":"link"}