{"product_id":"84-0mm-bore-forged-piston-kit","title":"84.0mm Bore Forged Piston Kit","description":"The Arias Pistons 84.0mm Bore piston is a premium upgrade for Honda\/Acura B16, B17, B18, and B20 DOHC engines. Arias Pistons has been a leader in compact piston technology for over three decades, focusing on smaller-bore, higher-revving engines.\n\nConstructed from hi-tensile forged billet material, these pistons are available in 4032 or 2618 alloy options. They feature CNC machined working surfaces, optimized crowns for efficient combustion, and a diamond-turned ellipsoidal skirt profile for reduced friction. For all-motor or nitrous applications, they offer lightweight, high-strength construction, while turbo or nitrous applications benefit from durable, heavy-duty designs.\n\nKey specifications include a 84.0mm stock bore, 1.180\" compression height, and a 7.3cc dome volume. The compression ratio varies depending on the cylinder head: 13.4:1 with a B16A 42.7cc head and 13.8:1 with a GSR 41.6cc head. The package includes pistons, wrist pins, rings, and locks. The required ring set is 1012283327.","brand":"Arias Pistons","offers":[{"title":"Default Title","offer_id":52686943748408,"sku":"A3330521","price":183.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/662149570.jpg?v=1784878748","url":"https:\/\/store.motormia.co\/products\/84-0mm-bore-forged-piston-kit","provider":"MOTORMIA","version":"1.0","type":"link"}