{"product_id":"mahle-ms-bmw-s65-b40-4-0l-92-00mm-x-27-3mm-ch-12-2cc-366g-12-2cr-pistons-set-of-8","title":"Mahle MS BMW S65 B40 4.0L 92.00mm x 27.3mm CH 12.2cc 366g 12.2CR Pistons (Set of 8)","description":"\u003cp\u003eThe Mahle forged piston kit identified by manufacturer part number 197843622 is designed to provide the piston geometry and compression configuration for a measured performance-engine build. Final compatibility depends on the complete engine combination and measured dimensions, not the product title alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExact manufacturer part number for application verification\u003c\/li\u003e\n\u003cli\u003eMeasured dimensions organized in the specifications\u003c\/li\u003e\n\u003cli\u003eDesigned for professional engine machining and assembly\u003c\/li\u003e\n\u003cli\u003eRequires final clearance and compatibility checks before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Status\u003c\/th\u003e\n\u003ctd\u003eEngine and build verification required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eEngine code, bore, stroke, rod length, pin diameter, cylinder head, compression target, and machine-shop measurements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMahle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e197843622\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eForged Piston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Type\u003c\/th\u003e\n\u003ctd\u003eFitment Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Guide Match\u003c\/th\u003e\n\u003ctd\u003eCurrent part number, verify against latest MAHLE catalog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompression Height\u003c\/th\u003e\n\u003ctd\u003e27.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompression Ratio\u003c\/th\u003e\n\u003ctd\u003e12.2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrown Volume\u003c\/th\u003e\n\u003ctd\u003e12.2 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Mahle piston kit in the quantity and configuration stated in the specifications. Rings, pins, locks, and coatings are included only when expressly listed for this exact part number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Mahle\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMahle develops pistons, piston rings, bearings, filtration, thermal-management, and engine components for original-equipment, replacement, and motorsport applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Mahle Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/collections\/mahle\"\u003eShop all Mahle products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/mahle-ms-bmw-n54-b30-3-0l-84-00mm-x-31-7mm-ch-17-2cc-314g-10-2cr-pistons-set-of-6\"\u003eMahle MS BMW N54 B30 3.0L 84.00mm x 31.7mm CH 17.2cc 314g 10.2CR Pistons (Set of 6)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/mahle-ms-bmw-n54-b30-3-0l-84-50mm-x-31-7mm-ch-17-2cc-314g-10-3cr-pistons-set-of-6\"\u003eMahle MS BMW N54 B30 3.0L 84.50mm x 31.7mm CH 17.2cc 314g 10.3CR Pistons (Set of 6)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/mahle-2020-bmw-b58-3-0l-82mm-x-33-27mm-ch-94-6mm-strk-22mm-pin-4cc-318g-10-5cr-pistons-set-of-6\"\u003eMahle 2020 BMW B58 3.0L 82mm x 33.27mm CH 94.6mm Strk 22mm Pin -4cc 318g 10.5CR Pistons (Set of 6)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I verify the engine application for Mahle 197843622?\u003c\/strong\u003e\u003cbr\u003eMatch the exact MAHLE part number and engine code, then confirm bore, stroke, rod length, pin diameter, cylinder head, compression target, and all machine-shop measurements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre rings, pins, and locks included with this piston kit?\u003c\/strong\u003e\u003cbr\u003eIncluded hardware varies by exact part number. Confirm the current MAHLE package contents before assembly and do not assume components from a similar piston kit are interchangeable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat must the machine shop measure before final assembly?\u003c\/strong\u003e\u003cbr\u003eVerify finished bore, piston-to-wall clearance, ring end gaps, deck height, piston-to-valve clearance, wrist-pin fit, bearing clearances, and final compression ratio for the intended fuel and power level.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUse the current Mahle instructions for part number 197843622 and the engine builder's measured assembly specifications. A qualified machine shop must verify bore finish, clearances, ring gaps, pin fit, lock installation, orientation, balance, deck height, valve clearance, compression ratio, lubrication, and break-in before operation.\u003c\/p\u003e","brand":"Mahle","offers":[{"title":"Default Title","offer_id":41758896652367,"sku":"MHL197843622","price":1336.03,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/mahle-mhl197843622-forged-piston-kit-image-01.png?v=1788773534","url":"https:\/\/www.blackopsautoworks.com\/en-ca\/products\/mahle-ms-bmw-s65-b40-4-0l-92-00mm-x-27-3mm-ch-12-2cc-366g-12-2cr-pistons-set-of-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}