{"product_id":"manley-04-wrx-sti-ej257-size-std-stroke-79mm-bore-99-50mm-grade-b-single-piston-w-rings","title":"Manley 04+ WRX STi (EJ257) Size (STD)  Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w\/ Rings","description":"2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff\/DLC alloys, providing additional durability.Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.Unique Fixturing: Manley's unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47805699588382,"sku":"MAN612000CB-1","price":188.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/2589\/8526\/products\/f34575e1bc5afd3b94e5346ffa0de2fb_a2cb5eaf-4764-4921-a1f5-213a8cdb4377.jpg?v=1708148834","url":"https:\/\/55tuner.com\/products\/manley-04-wrx-sti-ej257-size-std-stroke-79mm-bore-99-50mm-grade-b-single-piston-w-rings","provider":"55TUNER","version":"1.0","type":"link"}