{"product_id":"porsche-996-986-m96-engine-upgraded-oil-pressure-piston-cold-start-kit-psr9line","title":"Porsche 996 986 M96 Engine Upgraded Oil Pressure Piston Cold Start Kit | PSR9Line","description":"\u003ch2\u003ePorsche 996 986 M96 Engine Upgraded Oil Pressure Piston Cold Start Kit\u003c\/h2\u003e\n\u003cp\u003eA genuine Porsche OE component upgrade kit that addresses one of the most common M96 engine complaints — cold start oil pressure rattle and low RPM oil starvation. All parts are original Porsche equipment, sourced and packaged by PSR9Line into a single, hassle-free kit.\u003c\/p\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 996 Carrera 3.4 \u0026amp; 3.6\u003c\/li\u003e\n\u003cli\u003ePorsche Boxster 986 — 2.5, 2.7 \u0026amp; 3.2\u003c\/li\u003e\n\u003cli\u003ePorsche Boxster 987.1 — 2.7 \u0026amp; 3.4 (early build)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat the Upgrade Does\u003c\/h3\u003e\n\u003cp\u003eThe updated piston features a precision bevelled edge, and the replacement spring is both longer and firmer than the original. Together they improve oil pressure regulation at low RPM and during cold starts — keeping oil circulating before bypass and reducing chain rattle on startup.\u003c\/p\u003e\n\n\u003ch3\u003eMeasured Oil Pressure Improvement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBefore: 1.0 – 1.2 bar\u003c\/li\u003e\n\u003cli\u003eAfter: 1.5 – 1.8 bar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHigher pressure at startup with cold oil. The stronger spring also improves lubrication during high-G cornering, where the pump begins to bypass at exactly the right moment.\u003c\/p\u003e\n\n\u003ch3\u003eKit Contents — All Genuine Porsche OE Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpdated oil pressure relief piston\u003c\/li\u003e\n\u003cli\u003eUprated spring\u003c\/li\u003e\n\u003cli\u003eCrush washer\u003c\/li\u003e\n\u003cli\u003eSecuring bolt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eSingle bolt removal. 17mm socket. Torque to 50 Nm. No specialist tools required.\u003c\/p\u003e\n\n\u003cp\u003eOE Part Reference: PSR9L-OILPRES-COLDST | Seller Warranty: 1 Year\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePSR9Line | Precision Parts | Peak Performance\u003c\/strong\u003e\u003c\/p\u003e","brand":"PSR9Line","offers":[{"title":"Default Title","offer_id":53694672240976,"sku":"PSR9L-OILPRES-COLDST","price":148.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/6789\/0256\/files\/a1_f373a8da-e143-447d-a4ae-f19c662f9f36.png?v=1790339485","url":"https:\/\/shop.hammertimed.com\/products\/porsche-996-986-m96-engine-upgraded-oil-pressure-piston-cold-start-kit-psr9line","provider":"Hammer Timed Shop","version":"1.0","type":"link"}