{"product_id":"wossner-civic-b16a-9-0-1-forged-piston-kit","title":"Wossner Civic B16A 9.0:1 Turbo Low Compression Forged Piston Kit","description":"\u003ch2 data-path-to-node=\"3\" class=\"\"\u003eWossner Civic B16A 9.0:1 Forged Piston Kit\u003c\/h2\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cspan class=\"\"\u003eThe Wossner Civic B16A 9.\u003c\/span\u003e\u003cspan class=\"\"\u003e0:\u003c\/span\u003e\u003cspan class=\"\"\u003e1 Forged Piston Kit is the definitive choice for Honda enthusiasts building high-performance B-Series turbo engines.\u003c\/span\u003e\u003cspan class=\"\"\u003e By reducing the static compression ratio to 9.\u003c\/span\u003e\u003cspan class=\"\"\u003e0:\u003c\/span\u003e\u003cspan class=\"\"\u003e1,\u003c\/span\u003e\u003cspan class=\"\"\u003e these pistons significantly increase the \"knock window,\u003c\/span\u003e\u003cspan class=\"\"\u003e\" allowing for higher boost levels and more aggressive ignition timing safely.\u003c\/span\u003e\u003cspan class=\"\"\u003e Precision-forged in Germany,\u003c\/span\u003e\u003cspan class=\"\"\u003e they provide the thermal stability and structural strength required to transform the high-revving B16A into a forced-induction powerhouse capable of sustained high-RPM track use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cspan class=\"\"\u003eEvery piston is crafted from 4032-T6 high-silicon aluminium alloy,\u003c\/span\u003e\u003cspan class=\"\"\u003e chosen for its low thermal expansion properties and exceptional resistance to fatigue.\u003c\/span\u003e\u003cspan class=\"\"\u003e Wossner’s advanced manufacturing process includes a signature Moly skirt coating to reduce internal friction and a mirror-polished crown to eliminate the hot spots that lead to detonation.\u003c\/span\u003e\u003cspan class=\"\"\u003e Whether you are aiming for a reliable 300bhp street build or a dedicated drag racer,\u003c\/span\u003e\u003cspan class=\"\"\u003e these pistons deliver the durability and precision clearance necessary for elite engine performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\" class=\"\"\u003eKey Performance Features\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\" class=\"\"\u003eTurbo-Ready 9.0:1 Compression\u003c\/b\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e Engineered to lower compression for safer,\u003c\/span\u003e\u003cspan class=\"\"\u003e more efficient turbocharging and high-boost applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\" class=\"\"\u003eLow-Expansion 4032-T6 Alloy\u003c\/b\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e Allows for tighter piston-to-bore clearances,\u003c\/span\u003e\u003cspan class=\"\"\u003e reducing cold-start \"piston slap\" and extending engine life.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\" class=\"\"\u003eAdvanced Moly Skirt Coating\u003c\/b\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e Minimises friction and provides a layer of protection against scuffing during extreme operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\" class=\"\"\u003eMirror-Polished Crowns\u003c\/b\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e Designed to reflect heat back into the combustion chamber and prevent carbon buildup or detonation-inducing hot spots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\" class=\"\"\u003eComplete Professional Kit\u003c\/b\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e Includes four forged pistons,\u003c\/span\u003e\u003cspan class=\"\"\u003e a high-performance Japanese ring set,\u003c\/span\u003e\u003cspan class=\"\"\u003e gudgeon pins,\u003c\/span\u003e\u003cspan class=\"\"\u003e and heavy-duty circlips.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\" class=\"\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eEngine Code\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003eHonda B16A \/ B16A1 \/ B16A2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eBore Size Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e81.00mm (Std) \/ 81.50mm \/ 82.00mm \/ 83.00mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eCompression Ratio\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003e9.0:1 (Turbo \/ Low Compression)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cb data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eCompression Height\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003e29.85mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cb data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003eStroke\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003e77.40mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cb data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003ePin Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003e21.00mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,7,0,0\"\u003e\u003cb data-path-to-node=\"10,7,0,0\" data-index-in-node=\"0\"\u003eDome Volume\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,7,1,0\"\u003e-2.7cc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,8,0,0\"\u003e\u003cb data-path-to-node=\"10,8,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,8,1,0\"\u003e4032-T6 Forged Aluminium\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,9,0,0\"\u003e\u003cb data-path-to-node=\"10,9,0,0\" data-index-in-node=\"0\"\u003eKit Part Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,9,1,0\"\u003eK9425 (Series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"12\" class=\"\"\u003e\u003c\/h3\u003e\n\u003ch3 data-path-to-node=\"12\" class=\"\"\u003eWhy Choose Wossner?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cspan\u003eWossner is globally renowned for its pioneering work in motorsport forging technology,\u003c\/span\u003e\u003cspan\u003e drawing on decades of experience in Formula 1 and World Rally Championship engineering.\u003c\/span\u003e\u003cspan\u003e By controlling the entire manufacturing process—from the initial forging in their own facility to the final precision machining—Wossner ensures a level of quality and consistency that mass-produced alternatives cannot match.\u003c\/span\u003e\u003cspan\u003e When you choose Wossner for your Honda B16A,\u003c\/span\u003e\u003cspan\u003e you are choosing a product designed to withstand the brutal stresses of competition while maintaining the refined operational noise levels required for fast-road use.\u003c\/span\u003e\u003c\/p\u003e","brand":"Wossner","offers":[{"title":"81.5mm","offer_id":56801129726327,"sku":"K9425D050","price":588.0,"currency_code":"GBP","in_stock":true},{"title":"82mm","offer_id":56801129759095,"sku":"K9425D100","price":588.0,"currency_code":"GBP","in_stock":true},{"title":"82.5mm","offer_id":56801129791863,"sku":"K9425D150","price":588.0,"currency_code":"GBP","in_stock":true},{"title":"83mm","offer_id":56801129824631,"sku":"K9425D200","price":588.0,"currency_code":"GBP","in_stock":true},{"title":"84mm","offer_id":56801129857399,"sku":"K9425D300","price":588.0,"currency_code":"GBP","in_stock":true},{"title":"84.5mm","offer_id":56801129890167,"sku":"K9425D350","price":588.0,"currency_code":"GBP","in_stock":true},{"title":"85mm","offer_id":56801129922935,"sku":"K9425D400","price":588.0,"currency_code":"GBP","in_stock":true},{"title":"81mm","offer_id":56801129955703,"sku":"K9425DA","price":588.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/5592\/4087\/files\/WossnerGenericPlaceHolder.jpg?v=1772119883","url":"https:\/\/bournehpp.com\/products\/wossner-civic-b16a-9-0-1-forged-piston-kit","provider":"Bourne HPP LTD","version":"1.0","type":"link"}