{"product_id":"manley-04-subaru-wrx-sti-eh257-99-50mm-bore-std-size-8-5-1-dish-piston-set","title":"Manley 99.5mm STD 8.5:1 Turbo Tuff Piston Set for 04+ Subaru WRX\/STI EH257","description":"\u003cp\u003eThe best aftermarket Subaru piston company just got even better with our new Turbo Tuff lineup targeted specifically for EJ25 engines. By incorporating proven design enhancements from our \"Formula-Won\" piston forging, we've created the ultimate Subi piston to withstand the rigors of the highest boosted and stressed applications yet still run \"quietly\" and trouble-free for the daily driver. Like all Manley Subaru pistons, these are made from 2618 alloy, utilize an offset wrist pin design, are skirt coated and include our standard 2.500\" x .180\" wall premium chrome moly wrist pin (P\/N 42346). 9310 alloy .250\" wall pin upgrades are available. Simply order the EXTREME DUTY part number in the column below. These come equipped with the 9310 pins (P\/N 42547). Premium steel top rings with Napier style second rings and higher tension oil rings for ultimate oil control are included with each set along with round wire locks. Recommended clearance: .003\" for mildly boosted and .0035\" for highly boosted measured .850\" (79\/83mm Strokes) and 1.100\" (75mm Stroke) from the bottom of the oil ring groove.\u003c\/p\u003e\n\u003cp\u003eManley Subaru EJ257 pistons now include Napier style second rings and higher tension oil rings (by Total Seal) for superior oil control.\u003c\/p\u003e\n\u003ch3\u003eEXTENDED INFORMATION\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: Forged Pistons (Dish)\u003c\/li\u003e\n\u003cli\u003eMaterial: High Strength 2618\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 8.5:1\u003c\/li\u003e\n\u003cli\u003eItem Weight: 405 [grams]\u003c\/li\u003e\n\u003cli\u003eBore Diameter: 99.50 [mm]\u003c\/li\u003e\n\u003cli\u003eSize: Standard (STD)\u003c\/li\u003e\n\u003cli\u003eStroke: 79 [mm] \u003c\/li\u003e\n\u003cli\u003eRod Length: Standard Size 5.137[inches]\u003c\/li\u003e\n\u003cli\u003eCompression Height: 30.7 [mm] \/ 1.209 [inches]\u003c\/li\u003e\n\u003cli\u003eHead cc's: 51\u003c\/li\u003e\n\u003cli\u003eDome Volume: -22 cc\u003c\/li\u003e\n\u003cli\u003eBore Oversize: Grade A \u0026amp; B\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Code: EJ25\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eNotes: Pins and Rings Included (\u003cspan\u003e46995DT-4)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":40536559157292,"sku":"man632200C-4","price":630.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/3933\/4188\/products\/632200C-4.jpg?v=1659002370","url":"https:\/\/qrack-shop.myshopify.com\/fr\/products\/manley-04-subaru-wrx-sti-eh257-99-50mm-bore-std-size-8-5-1-dish-piston-set","provider":"qrack shop ","version":"1.0","type":"link"}