{"product_id":"edelbrock-engine-cylinder-head-61039","title":"Edelbrock Performer RPM 61039","description":"Edelbrock Performer RPM 61039 is a performance aluminum cylinder head for Small-Block Oldsmobile builds using a flat tappet camshaft. It is not a stock replacement part; it is a performance-focused head package built to improve airflow capacity while preserving the Oldsmobile-specific architecture needed for the right engine combination.\u003cbr\u003e\u003cbr\u003eAluminum construction, 200 cc intake runners, 130 cc exhaust runners, 68 cc combustion chambers, and factory 6-degree valve angle geometry. The head is aimed at builders who want a stronger top-end foundation for a flat tappet cam setup without moving into a custom-fabricated cylinder head solution.\u003cbr\u003e\u003cbr\u003eThis product is listed for racing or pre-emissions applications only. Confirm emissions legality in your state before purchase.","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":58173511598464,"sku":"61039","price":1305.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9390\/7840\/files\/EDEL_61035_20Roller_V8_bacf2c55-6b37-496f-8fe4-35f9fa35565a.jpg?v=1779998513","url":"https:\/\/modridge.com\/products\/edelbrock-engine-cylinder-head-61039","provider":"Modridge","version":"1.0","type":"link"}