{"product_id":"engine-cylinder-head-54","title":"Edelbrock 60509 Engine Cylinder Head","description":"The Edelbrock #60509 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60509 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter. They include valve guides and seats installed with no intake pushrod holes.","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":51210906272059,"sku":"BDVJ_60509","price":1454.93,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/5958\/2011\/files\/bdc21911fb29a.jpg?v=1777675018","url":"https:\/\/performancepartscanada.ca\/products\/engine-cylinder-head-54","provider":"Performance Parts Canada","version":"1.0","type":"link"}