{"product_id":"manley-subaru-ej257-99-5-bore-8-5-1-17cc-dish-platinum-series-piston-single","title":"Manley Platinum Series Pistons – Subaru EJ257 99.5 Bore 8.5:1 | 8.5:1","description":"\u003cp\u003eManley developed this Platinum Series piston configuration for Subaru EJ257 99.5 Bore 8.5:1; use the listed bore and compression details to match the piston to the finished cylinder and intended rotating assembly. The parent listing is distinguished by \u003cstrong\u003e8.5:1\u003c\/strong\u003e, which should be cross-checked against the rest of the engine combination.\u003c\/p\u003e\u003cp\u003eBecause this is a Subaru EJ257 99.5 Bore 8.5:1 piston family, final fitment depends on the machine shop’s finished cylinder measurement and the intended rod\/stroke combination—not simply on nominal engine displacement.\u003c\/p\u003e\u003ch3\u003eKey Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Subaru EJ257 99.5 Bore 8.5:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Platinum Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle Specification:\u003c\/strong\u003e 8.5:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family Detail:\u003c\/strong\u003e 2618-alloy forged piston construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family Detail:\u003c\/strong\u003e tool-steel wrist-pin hardware on applicable part numbers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family Detail:\u003c\/strong\u003e moly skirt coating on applicable part numbers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Numbers:\u003c\/strong\u003e Vary by selected configuration (2 SKUs in this parent family)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Configurations\u003c\/h3\u003e\u003cp\u003eThis parent listing contains multiple selectable Manley SKUs. Choose the configuration that matches the measured engine or cylinder-head specification.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003ePiston Grade:\u003c\/strong\u003e B, A\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePackage Quantity\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSold individually.\u003c\/strong\u003e This listing supplies one piston per selected SKU; order the quantity required for your engine and verify that all pistons match the machine shop’s bore\/grade plan. This quantity applies to the selected Manley SKU family shown on this product page.\u003c\/p\u003e\u003ch3\u003eSelection \u0026amp; Fitment Notes\u003c\/h3\u003e\u003cp\u003eVerify bore finish, piston grade, pin size, rod compatibility, compression target, deck clearance, valve clearance, and ring requirements before final assembly.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProfessional engine assembly and measurement are recommended. Product specifications should be confirmed against the selected Manley part number and the requirements of the exact engine build.\u003c\/em\u003e\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"B","offer_id":50206930436346,"sku":"MAN612200CB-1","price":199.61,"currency_code":"USD","in_stock":true},{"title":"A","offer_id":50206930469114,"sku":"MAN612200CA-1","price":199.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/dbd10492df38f4fae4e7da233e317ae3L_65a3c8fd-1ca0-4173-b52e-d70b2caae850.jpg?v=1787979476","url":"https:\/\/lgcracing.com\/products\/manley-subaru-ej257-99-5-bore-8-5-1-17cc-dish-platinum-series-piston-single","provider":"Legacy Racing","version":"1.0","type":"link"}