{"product_id":"diamond-special-order-bmw-s54b32-3-2l-91-00-mm-stroke-5-472-in-rod-1-270-in-ch","title":"Diamond Forged Piston Kit — BMW S54B32 3.2L","description":"\u003cp\u003eDiamond Forged Piston Kit — BMW S54B32 3.2L\u003c\/p\u003e\u003cdiv class=\"bbt-diamond-advert\" style=\"line-height:1.65;\"\u003e\n\u003cdiv style=\"border-left:4px solid #0f536b;padding:4px 0 4px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"font-size:0.8em;letter-spacing:0.12em;color:#52616d;margin:0 0 8px;\"\u003eDIAMOND PISTONS · SPECIAL ORDER\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;\"\u003eBMW S54B32 3.2L forged piston kit\u003c\/h2\u003e\n\u003cp\u003eBuild your BMW S54B32 3.2L rotating assembly around a Diamond \u003cstrong\u003e6-piston forged kit\u003c\/strong\u003e. Specify the finished bore, crown volume and gudgeon pins to suit your measured engine, fuel and intended use.\u003c\/p\u003e\n\u003cp style=\"margin:16px 0 0;color:#304652;\"\u003e\u003cstrong\u003eMade to order.\u003c\/strong\u003e Allow approximately \u003cstrong\u003e5–6 weeks for delivery\u003c\/strong\u003e, pending Australian customs processing time. Manufacturing schedules, international freight and customs clearance may extend this estimate.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003ch3\u003ePrecision in the details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2618 forged aluminium with a full-round forging profile.\u003c\/li\u003e\n\u003cli\u003e3D-machined crowns, offset pins, moly-coated skirts and side gas ports.\u003c\/li\u003e\n\u003cli\u003eEnlarged valve pockets accommodate larger-than-standard valves. Clearance must be checked with the actual heads and camshafts.\u003c\/li\u003e\n\u003cli\u003eThe listed 1.0 mm \/ 1.2 mm \/ 2.8 mm ring set, gudgeon pins and retainers are included.\u003c\/li\u003e\n\u003cli\u003eTop compression ring positioned 0.365 in below the crown.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat your kit includes\u003c\/h3\u003e\n\u003cp\u003e6 forged pistons, the specified ring set, gudgeon pins and retainers. Oil-rail supports are supplied where indicated in the exact kit table.\u003c\/p\u003e\n\u003cp\u003eChoose the standard gudgeon-pin kit or the \u003cstrong\u003eH13 upgrade\u003c\/strong\u003e in the selector. Part numbers ending in \u003cstrong\u003e-H\u003c\/strong\u003e identify the upgraded pin kit; the displayed price covers the complete piston kit with that pin specification.\u003c\/p\u003e\n\u003ch3\u003eBuild dimensions\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;margin:14px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.9em;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003ePiston Quantity\u003c\/th\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eCompression Height\u003c\/th\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e1.270 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eStroke\u003c\/th\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e91.00 MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eRod Length\u003c\/th\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e5.472 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eRing Set Thickness\u003c\/th\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e1.00 MM x 1.20 MM x 2.80 MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eForging Type\u003c\/th\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eFull Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cdetails class=\"bbt-diamond-engineering\" style=\"margin:20px 0;\"\u003e\u003csummary style=\"font-weight:700;color:#0f536b;cursor:pointer;\"\u003eEngineering reference: rings, pins and valve pockets\u003c\/summary\u003e\u003cp\u003eRing sizes are listed as top \/ second \/ oil ring. Check pin diameter and length against your connecting-rod small end. Valve-pocket depths are catalogue dimensions; your engine builder must check piston-to-valve clearance with the actual cylinder heads, camshafts and cam timing.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable cellpadding=\"8\" style=\"width:100%;border-collapse:collapse;font-size:0.92em;\"\u003e\n\u003cthead style=\"background:#f3f5f7;text-align:left;\"\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eKit SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eRing package\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePin diameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePin length\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValve-pocket depth: intake \/ exhaust\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e83092-6\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e83093-6\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e83094-6\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e83095-6\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e83092-6-H\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e83093-6-H\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e83094-6-H\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e83095-6-H\u003c\/td\u003e\n\u003ctd\u003e1.00 mm \/ 1.20 mm \/ 2.80 mm\u003c\/td\u003e\n\u003ctd\u003e0.8267 in\u003c\/td\u003e\n\u003ctd\u003e2.250 in\u003c\/td\u003e\n\u003ctd\u003e0.280 in \/ 0.225 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:0.9em;color:#52616d;\"\u003eA dimension marked “Not published” needs confirmation with M Lab before ordering. Catalogue dimensions do not specify running clearance or ring end gap; use the instructions supplied with your exact kit.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch3\u003eFitment and engine preparation\u003c\/h3\u003e\n\u003cp\u003eFor the S54B32 engine. Nominal ratios depend on the measured head, deck and head gasket.\u003c\/p\u003e\n\u003cp\u003eCatalogue bores are finished cylinder-bore sizes. The finished compression ratio depends on chamber volume, deck clearance and compressed head-gasket thickness. Have your engine builder verify piston-to-wall clearance, ring gaps, pin fit and piston-to-valve clearance using the supplied Diamond instructions before machining or assembly.\u003c\/p\u003e\n\u003cdetails style=\"border:1px solid #d9dee3;border-radius:4px;padding:14px 16px;margin:22px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:700;\"\u003eView kit part numbers, bore sizes and supplied components\u003c\/summary\u003e\u003cdiv style=\"overflow-x:auto;margin:14px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.9em;\"\u003e\n\u003cthead style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003e\u003ctr\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eKit SKU\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eBore\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eCrown volume\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eRatio\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eIncluded pin\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eRing set\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eRetainer\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #d9dee3;background:#f3f5f7;\"\u003eOil-rail supports\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83094-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.00 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-21.00 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e9.50:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eG82672250180C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09513425\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83094-6-H\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.00 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-21.00 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e9.50:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eH82672250225C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09513425\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83092-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.00 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-17.50 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e9.90:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eG82672250180C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09513425\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83095-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.50 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-21.00 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e9.50:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eG82672250180C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09523445\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83093-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.50 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-17.50 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e10.00:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eG82672250180C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09523445\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83092-6-H\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.00 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-17.50 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e9.90:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eH82672250225C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09513425\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83093-6-H\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.50 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-17.50 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e10.00:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eH82672250225C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09523445\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e83095-6-H\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e87.50 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e-21.00 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e9.50:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eH82672250225C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e09523445\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003e015128-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;text-align:left;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:0.9em;\"\u003eSelect the finished bore first, then a matching crown and nominal compression ratio, followed by an available gudgeon-pin specification. Pin choices depend on the selected bore and crown. Compression ratios are nominal catalogue figures; the final ratio depends on the measured chamber, deck and gasket volumes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv style=\"background:#f3f5f7;border-left:4px solid #0f536b;padding:14px 18px;margin:22px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 8px;\"\u003eMade to order · delivery\u003c\/h3\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eAllow approximately 5–6 weeks for delivery, pending Australian customs processing time.\u003c\/strong\u003e Manufacturing schedules, international freight and customs clearance may extend this estimate. Contact M Lab before ordering for a build with a fixed deadline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan your build with M Lab\u003c\/h3\u003e\n\u003cp\u003eM Lab by Boost \u0026amp; Tune can help select a specification for your fuel, boost and intended use. Machining, engine assembly, connecting rods and tuning are purchased separately.\u003c\/p\u003e\n\u003cp\u003eBrowse related BMW S54B32 3.2L engine parts.\u003c\/p\u003e\n\u003cp style=\"font-size:0.85em;color:#596773;\"\u003ePhotography shows a representative Diamond piston design. Crown shape, valve pockets, skirt finish and supplied components vary with the selected part number.\u003c\/p\u003e\n\u003c\/div\u003e\u003csection\u003e\u003ch2\u003eM Lab BMW workshop support\u003c\/h2\u003e\n\u003cp\u003eDiscuss your BMW application, component selection and installation requirements with M Lab by Boost \u0026amp; Tune in Melbourne. Confirm fitment and the supplied configuration before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/engine\"\u003eExplore BMW engine parts\u003c\/a\u003e\u003c\/p\u003e\u003c\/section\u003e","brand":"Diamond Pistons","offers":[{"title":"87.00 mm \/ -17.50 cc \/ 9.90:1 nominal \/ Standard G-series","offer_id":67647096324338,"sku":"83092-6","price":2222.0,"currency_code":"AUD","in_stock":true},{"title":"87.50 mm \/ -17.50 cc \/ 10.00:1 nominal \/ Standard G-series","offer_id":67647096357106,"sku":"83093-6","price":2222.0,"currency_code":"AUD","in_stock":true},{"title":"87.00 mm \/ -21.00 cc \/ 9.50:1 nominal \/ Standard G-series","offer_id":67647096389874,"sku":"83094-6","price":2222.0,"currency_code":"AUD","in_stock":true},{"title":"87.50 mm \/ -21.00 cc \/ 9.50:1 nominal \/ Standard G-series","offer_id":67647096422642,"sku":"83095-6","price":2222.0,"currency_code":"AUD","in_stock":true},{"title":"87.00 mm \/ -17.50 cc \/ 9.90:1 nominal \/ H13 upgrade","offer_id":67647096455410,"sku":"83092-6-H","price":2512.0,"currency_code":"AUD","in_stock":true},{"title":"87.50 mm \/ -17.50 cc \/ 10.00:1 nominal \/ H13 upgrade","offer_id":67647096488178,"sku":"83093-6-H","price":2512.0,"currency_code":"AUD","in_stock":true},{"title":"87.00 mm \/ -21.00 cc \/ 9.50:1 nominal \/ H13 upgrade","offer_id":67647096520946,"sku":"83094-6-H","price":2512.0,"currency_code":"AUD","in_stock":true},{"title":"87.50 mm \/ -21.00 cc \/ 9.50:1 nominal \/ H13 upgrade","offer_id":67647096553714,"sku":"83095-6-H","price":2512.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/4825\/5986\/files\/F26084_16429_02a3cf1b-e075-46fe-9f79-089271cf68de.jpg?v=1791321643","url":"https:\/\/mlab-boostandtune.com\/products\/diamond-special-order-bmw-s54b32-3-2l-91-00-mm-stroke-5-472-in-rod-1-270-in-ch","provider":"M Lab by Boost \u0026 Tune","version":"1.0","type":"link"}