{"product_id":"je-pistons-297170-piston-kit-bmw-s52b32-us-9-1-compression-ratio","title":"JE Pistons piston kit, BMW S52B32 US, 9:1 compression ratio","description":"\u003cp\u003eSport Compact, Import and European forged pistons from JE Pistons are the result of over 75 years of industry leading experience extended to our range of premium forged pistons for BMW S52B32 Engines. JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons’ performance is proven in victory lane time and time again. Equipped with the following custom level features\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAccumulator Groove: A specialty groove between the top and second ring provides added volume for blow-by gases. This helps reduce pressure between the rings, improving top ring seal and minimizing ring flutter at high cylinder pressures.\u003c\/li\u003e\n\u003cli\u003eProprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin\u003c\/li\u003e\n\u003cli\u003ePin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.\u003c\/li\u003e\n\u003cli\u003eSkirt Coat: Skirt Coat reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise\u003c\/li\u003e\n\u003cli\u003eSmooth Crown Finish: Deburs all areas around the valve pocket and dome area, to reduces stress risers and prevent hot spots.\u003c\/li\u003e\n\u003cli\u003eForged in the USA using 2618 aluminum, yielding tensile strength and minimal thermal expansion\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for BMW S52B32 Engines. To provide optimized performance durability\u003c\/li\u003e\n\u003cli\u003eIncludes high-quality wrist pins, locks, and JE Pro Seal premium piston rings\u003c\/li\u003e\n\u003cli\u003eMade 100% in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecs and fitment:\u003c\/strong\u003e Piston kit, set of 6. 2618 forged, inverted dome\/dish, 1.220 in. compression height, 0.866 in. pin. 9:1 compression ratio. Fits BMW S52B32 US.\u003c\/p\u003e\n\u003cdiv data-asf-block=\"part-request-v1\" id=\"asf-part-request\" style=\"margin-top:28px;padding:18px 20px;border:1px solid rgba(255,255,255,.2);border-radius:8px\"\u003e\n\u003cp style=\"margin:0 0 6px\"\u003e\u003cstrong\u003eShowing sold out? Request this part and we'll check availability and get back to you.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;font-size:14px;opacity:.85\"\u003ePart: JE Pistons 297170, 297171\u003c\/p\u003e\n\u003cform method=\"post\" action=\"\/contact#asf-part-request\" accept-charset=\"UTF-8\" style=\"max-width:460px\"\u003e\n\u003cinput type=\"hidden\" name=\"form_type\" value=\"contact\"\u003e\u003cinput type=\"hidden\" name=\"utf8\" value=\"✓\"\u003e\n\u003cinput type=\"hidden\" name=\"contact[Part]\" value=\"JE Pistons 297170, 297171 | JE Pistons piston kit, BMW S52B32 US, 9:1 compression ratio\"\u003e\n\u003cinput type=\"text\" name=\"contact[name]\" placeholder=\"Name\" autocomplete=\"name\" aria-label=\"Name\" style=\"width:100%;box-sizing:border-box;padding:10px 12px;margin:0 0 8px;border:1px solid rgba(255,255,255,.35);border-radius:6px;background:transparent;color:inherit;font:inherit;font-size:15px\"\u003e\n\u003cinput type=\"email\" name=\"contact[email]\" placeholder=\"Email\" autocomplete=\"email\" required aria-label=\"Email\" style=\"width:100%;box-sizing:border-box;padding:10px 12px;margin:0 0 8px;border:1px solid rgba(255,255,255,.35);border-radius:6px;background:transparent;color:inherit;font:inherit;font-size:15px\"\u003e\n\u003cinput type=\"tel\" name=\"contact[phone]\" placeholder=\"Phone (optional)\" autocomplete=\"tel\" aria-label=\"Phone\" style=\"width:100%;box-sizing:border-box;padding:10px 12px;margin:0 0 8px;border:1px solid rgba(255,255,255,.35);border-radius:6px;background:transparent;color:inherit;font:inherit;font-size:15px\"\u003e\n\u003ctextarea name=\"contact[Comment]\" rows=\"2\" placeholder=\"Vehicle \/ engine, size or option needed (optional)\" aria-label=\"Comment\" style=\"width:100%;box-sizing:border-box;padding:10px 12px;margin:0 0 8px;border:1px solid rgba(255,255,255,.35);border-radius:6px;background:transparent;color:inherit;font:inherit;font-size:15px\"\u003e\u003c\/textarea\u003e\n\u003cbutton type=\"submit\" style=\"background:rgb(227,252,2);color:rgb(31,31,33);font-weight:700;text-transform:uppercase;letter-spacing:.05em;border:0;border-radius:6px;padding:12px 22px;cursor:pointer;font-family:inherit;font-size:15px\"\u003eRequest this part\u003c\/button\u003e\n\u003c\/form\u003e\n\u003cp style=\"margin:12px 0 0;font-size:14px\"\u003eOr \u003ca href=\"\/pages\/contact-1\"\u003euse our contact page\u003c\/a\u003e or \u003ca href=\"mailto:joe@asfmachine.com?subject=Part%20request%3A%20JE%20Pistons%20297170%2C%20297171\u0026amp;body=Part%3A%20JE%20Pistons%20297170%2C%20297171%20%7C%20JE%20Pistons%20piston%20kit%2C%20BMW%20S52B32%20US%2C%209%3A1%20compression%20ratio%0AVehicle%20%2F%20engine%3A%0AName%3A%0APhone%3A%0A\"\u003eemail joe@asfmachine.com\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JE Pistons","offers":[{"title":"86.5mm (3.4055 in.)","offer_id":48079570796721,"sku":"297170","price":1324.99,"currency_code":"USD","in_stock":false},{"title":"87mm (3.425 in.)","offer_id":48079570829489,"sku":"297171","price":1324.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/6044\/7153\/files\/asf-ep-297170.jpg?v=1792638019","url":"https:\/\/asfmachine.com\/products\/je-pistons-297170-piston-kit-bmw-s52b32-us-9-1-compression-ratio","provider":"ASF Machine","version":"1.0","type":"link"}