{"product_id":"diamond-pistons-83112-6-piston-kit-bmw-s52b32-3-2l-18-5cc-1-220-ch","title":"Diamond Pistons piston kit, BMW S52B32 3.2L, -18.5cc, 1.220 in. compression height","description":"\u003cp\u003e\u003cstrong\u003eEvery set is built to order. Please allow five weeks for it to ship.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDiamond Pistons forged piston kit for the BMW S52B32 3.2L, set of 6. ASF Machine orders these direct from Diamond for your build (not a stocked item). Diamond builds its sport compact pistons from forged 2618 aluminum, CNC-machines them, and pairs them with Trend Performance wrist pins.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePiston volume: -18.5cc; compression height: 1.220 in.\u003c\/li\u003e\n\u003cli\u003eStroke: 89.6mm; rod length: 5.315 in.\u003c\/li\u003e\n\u003cli\u003eRing set: 1.00 mm x 1.20 mm x 2.80 mm\u003c\/li\u003e\n\u003cli\u003eWrist pin: 0.866 in. OD x 2.250 in. long\u003c\/li\u003e\n\u003cli\u003eValve pocket depth: 0.115 in. intake, 0.070 in. exhaust\u003c\/li\u003e\n\u003cli\u003eForging: full round\u003c\/li\u003e\n\u003cli\u003eRings, wrist pins and pin retainers included (per Diamond)\u003c\/li\u003e\n\u003cli\u003eCrowns are 3D-milled, so the pistons come ready to install\u003c\/li\u003e\n\u003cli\u003eOffset pin bores for quieter running\u003c\/li\u003e\n\u003cli\u003eMoly-coated skirts to reduce friction and skirt wear\u003c\/li\u003e\n\u003cli\u003eSide gas ports to help ring seal\u003c\/li\u003e\n\u003cli\u003eDiamond's compression ratios assume a .068 in. head gasket and 8.268 in. deck height\u003c\/li\u003e\n\u003cli\u003eTop ring down: .280 in.\u003c\/li\u003e\n\u003cli\u003eWrist pins (chamfered for round-wire locks) and locks included\u003c\/li\u003e\n\u003cli\u003eValve pockets cut oversize to clear larger-than-stock valves\u003c\/li\u003e\n\u003cli\u003eForged from 2618 aluminum for high-horsepower, nitrous and boosted builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiamond part numbers:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e83112-6: 86.5mm bore, standard pin, 9.90:1 compression (per Diamond), ring set 09513405, wrist pin G8662250180C\u003c\/li\u003e\n\u003cli\u003e83112-6-H: 86.5mm bore, -H pin (H8662250225C), 9.90:1 compression (per Diamond), ring set 09513405, wrist pin H8662250225C\u003c\/li\u003e\n\u003cli\u003e83113-6: 87mm bore, standard pin, 10.00:1 compression (per Diamond), ring set 09513425, wrist pin G8662250180C\u003c\/li\u003e\n\u003cli\u003e83113-6-H: 87mm bore, -H pin (H8662250225C), 10.00:1 compression (per Diamond), ring set 09513425, wrist pin H8662250225C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs and fitment:\u003c\/strong\u003e Piston kit, set of 6. -18.5cc, 1.220 in. compression height. Fits BMW S52B32 3.2L. Ordered direct from Diamond Pistons; call 970-242-0919 to confirm fitment and lead time for your build.\u003c\/p\u003e","brand":"Diamond Pistons","offers":[{"title":"86.5mm \/ Standard pin","offer_id":48080085811377,"sku":"83112-6","price":1023.12,"currency_code":"USD","in_stock":true},{"title":"86.5mm \/ -H pin (H8662250225C)","offer_id":48080085844145,"sku":"83112-6-H","price":1180.68,"currency_code":"USD","in_stock":true},{"title":"87mm \/ Standard pin","offer_id":48080085876913,"sku":"83113-6","price":1023.12,"currency_code":"USD","in_stock":true},{"title":"87mm \/ -H pin (H8662250225C)","offer_id":48080085909681,"sku":"83113-6-H","price":1180.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/6044\/7153\/files\/diamond-83110-6-ANG135_8fa35039-93ce-4123-9da0-3118ee9fcd66.jpg?v=1792716070","url":"https:\/\/asfmachine.com\/products\/diamond-pistons-83112-6-piston-kit-bmw-s52b32-3-2l-18-5cc-1-220-ch","provider":"ASF Machine","version":"1.0","type":"link"}