{"product_id":"engine-cylinder-head-90","title":"Engine Cylinder Head","description":"The Edelbrock #60575 Performer cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. The Edelbrock #60575 Performer cylinder head is 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. A performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52988026519846,"sku":"BDVJ_60575","price":1405.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5697\/5654\/files\/ce62d50c7828e.jpg?v=1775518217","url":"https:\/\/ossparts.com\/products\/engine-cylinder-head-90","provider":"Operational Speed Supply","version":"1.0","type":"link"}