{"product_id":"cp-piston-ring-set-for-acura-b18c1-bore-81-5mm-compression-ratio-9-8","title":"CP Piston \u0026 Ring Set for Acura B18C1 - Bore (81.5mm) - Compression Ratio (9.8)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eSC7016-4\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eCP Piston \u0026amp;amp. Ring Set for 1994-2001 Acura Integra GS-R B18C1 - Bore 81.5mm - Compression Ratio 9.8:1\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis CP piston and ring set upgrades 1994-2001 Acura Integra GS-R B18C1 engines with a 81.5mm bore for increased displacement and 9.8:1 compression ratio suited to turbocharged or naturally aspirated performance setups. Forged construction handles extreme RPM and boost levels while maintaining ring seal and heat resistance. Each set includes four pistons, premium rings, wrist pins, and spiro-locks for complete assembly.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged 2618-T61 Alloy:\u003c\/strong\u003e Provides high strength and fatigue resistance for engines pushing over 500 horsepower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.8:1 Compression Ratio:\u003c\/strong\u003e Balances power output with boost compatibility in B18C1 builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e81.5mm Bore Size:\u003c\/strong\u003e Increases displacement from stock 81mm for more torque and horsepower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccumulator Groove Design:\u003c\/strong\u003e Reduces ring flutter and improves sealing under high cylinder pressures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoatings Included:\u003c\/strong\u003e Skirt hydro-bearing and top crown thermal barrier reduce friction and protect against detonation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBores must be honed to 81.510-81.530mm with proper piston-to-wall clearance of 0.0035-0.0040 inch\u003c\/li\u003e\n\u003cli\u003eRings feature moly top ring and nitrided second ring for optimal sealing and longevity\u003c\/li\u003e\n\u003cli\u003ePackaged in protective foam inserts to prevent damage during transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eCylinder boring and decking required to match 81.5mm bore and achieve specified compression\u003c\/li\u003e\n\u003cli\u003eCompatible with stock B18C1 connecting rods and head gasket thickness of 0.030-0.040 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-2001\u003c\/td\u003e\n\u003ctd\u003eAcura\u003c\/td\u003e\n\u003ctd\u003eIntegra\u003c\/td\u003e\n\u003ctd\u003eGS-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose CP?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in NHRA and drag racing with thousands of race wins\u003c\/li\u003e\n\u003cli\u003eCNC-machined in the USA for exact tolerances and balance\u003c\/li\u003e\n\u003cli\u003eBacked by rigorous dyno testing and real-world endurance validation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this set fit my 1996 Acura Integra GS-R B18C1?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed specifically for 1994-2001 Integra GS-R B18C1 engines with 87.2mm stroke\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the pistons made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Forged 2618-T61 aluminum alloy known for high strength, fatigue resistance, and heat dissipation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation requirement?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty against manufacturing defects. Requires professional machining for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp;amp. Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure box measuring 12 x 10 x 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CP Pistons","offers":[{"title":"Default Title","offer_id":43759433252943,"sku":"CPPSC7016-4","price":766.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/cp-piston-ring-set-for-acura-b18c1-bore-81_5mm-compression-ratio-9_8-cp-pistons.jpg?v=1770215970","url":"https:\/\/www.blackopsautoworks.com\/products\/cp-piston-ring-set-for-acura-b18c1-bore-81-5mm-compression-ratio-9-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}