{"product_id":"je-forged-piston-set-for-bmw-n52-engines","title":"JE Forged Piston Set for BMW N52 Engines","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:fc980d36-a272-4678-abe9-60d4b6b3b2c2-2\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:fc980d36-a272-4678-abe9-60d4b6b3b2c2-2\" data-turn-id-container=\"request-WEB:fc980d36-a272-4678-abe9-60d4b6b3b2c2-2\" data-testid=\"conversation-turn-4\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7fb318d1-4d01-4f9c-9015-4c35fb7e829f\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"72\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"72\"\u003eJE Forged Piston Set – BMW N52 (85mm Bore, 10.7:1 Compression Ratio)\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"74\" data-end=\"366\"\u003eBuilt for strength, reliability, and performance, JE Pistons are trusted by professional engine builders and racers worldwide. With over 60 years of piston manufacturing experience, JE delivers industry-leading forged pistons engineered to handle demanding street and motorsport applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"368\" data-end=\"380\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"381\" data-end=\"735\"\u003e\n\u003cli data-section-id=\"1r9t64w\" data-start=\"381\" data-end=\"434\"\u003eForged aluminum construction for maximum durability\u003c\/li\u003e\n\u003cli data-section-id=\"1ebj43d\" data-start=\"435\" data-end=\"498\"\u003ePrecision CNC-machined for consistent quality and performance\u003c\/li\u003e\n\u003cli data-section-id=\"1qe69gx\" data-start=\"499\" data-end=\"554\"\u003eAdvanced piston crown machining and design technology\u003c\/li\u003e\n\u003cli data-section-id=\"xkv71g\" data-start=\"555\" data-end=\"623\"\u003eDeveloped using Finite Element Analysis (FEA) for optimal strength\u003c\/li\u003e\n\u003cli data-section-id=\"5ydc8a\" data-start=\"624\" data-end=\"668\"\u003eManufactured to ISO 9001 quality standards\u003c\/li\u003e\n\u003cli data-section-id=\"1nl514s\" data-start=\"669\" data-end=\"735\"\u003eTrusted by professional race teams and engine builders worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1wwzv67\" data-start=\"737\" data-end=\"748\"\u003eFitment\u003c\/h3\u003e\n\u003cul data-start=\"749\" data-end=\"804\"\u003e\n\u003cli data-section-id=\"p13iyf\" data-start=\"749\" data-end=\"765\"\u003eBMW N52 Engine\u003c\/li\u003e\n\u003cli data-section-id=\"m5v96n\" data-start=\"766\" data-end=\"777\"\u003e85mm Bore\u003c\/li\u003e\n\u003cli data-section-id=\"1o9lzh0\" data-start=\"778\" data-end=\"804\"\u003e10.7:1 Compression Ratio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"806\" data-end=\"934\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIdeal for performance rebuilds, naturally aspirated builds, and boosted applications requiring premium forged piston technology.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JE Pistons","offers":[{"title":"85 \/ 10.7:1","offer_id":52691642777920,"sku":null,"price":1399.95,"currency_code":"USD","in_stock":true},{"title":"85 \/ custom","offer_id":52691642810688,"sku":null,"price":1399.95,"currency_code":"USD","in_stock":true},{"title":"custom \/ 10.7:1","offer_id":52691642843456,"sku":null,"price":1399.95,"currency_code":"USD","in_stock":true},{"title":"custom \/ custom","offer_id":52691642876224,"sku":null,"price":1399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/4757\/3824\/files\/Untitled-June23_2026at12.46.34_4.png?v=1782325357","url":"https:\/\/miamiengines.com\/products\/je-forged-piston-set-for-bmw-n52-engines","provider":"Miami Engines","version":"1.0","type":"link"}