{"product_id":"edelbrock-performer-rpm-61025-big-block-oldsmobile-cylinder-head-for-1965-1976-v8-engines","title":"Edelbrock Performer RPM #61025 Big Block Oldsmobile Cylinder Head for 1965-1976 V8 Engines","description":"The Edelbrock #61025 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines with hydraulic roller cam is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. This aluminum cylinder head supersedes the 60515 Olds head and features a redesigned 77cc combustion chamber, larger intake valves and refined bowl blending for improved flow. The #61025 Performer RPM head has improved accommodation for a factory-style mechanical fuel pump with spark plug locations moved slightly towards the exhaust valve for optimized combustion. Intake and exhaust ports have been improved over previous designs, and extra material has been added above the intake port for head work. Performer RPM #61025 heads are cast and machined by Edelbrock in the USA and comes complete with the highest quality intake and exhaust valves and valve springs.\nThe Edelbrock #61025 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars.\n\u003cp\u003eUpgrade your Oldsmobile muscle car with the Edelbrock #61025 Performer RPM cylinder head, designed specifically for 1965-76 models equipped with 400, 425, and 455 CID V8 engines. Crafted from high-quality aluminum, this head offers a significant performance boost with a redesigned 77cc combustion chamber, larger intake valves, and refined bowl blending for optimized airflow and increased horsepower. The performance head features improved intake and exhaust port designs, allowing for enhanced flow characteristics over previous models. Additional material above the intake port provides extra capacity for head work, making it a versatile choice for enthusiasts seeking custom tuning options. The #61025 head includes factory-style mechanical fuel pump accommodation, with spark plug locations repositioned slightly toward the exhaust valve to improve combustion efficiency. Cast and machined in the USA by Edelbrock, each head comes complete with top-quality intake and exhaust valves along with valve springs, ensuring durability and reliable performance. This cylinder head is an ideal upgrade for street machines and muscle cars aiming for increased power and responsiveness. Designed for use with hydraulic roller camshafts, it offers a straightforward installation for experienced builders looking to maximize their engine’s potential. Please note that this product is not carburetor approved and requires acknowledgment of this feature during purchase. Suitable for specific Oldsmobile models, the Edelbrock Performer RPM #61025 is a trusted choice for those seeking reliable, high-performance cylinder heads that deliver both power and efficiency.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial: Aluminum construction for lightweight strength and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCombustion Chamber: Redesigned 77cc chamber for improved combustion efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eValves: Larger intake valves with refined bowl blending for enhanced airflow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePort Design: Improved intake and exhaust ports for better flow characteristics\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHead Work Capacity: Extra material above intake port for customization and porting\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFuel Pump Compatibility: Factory-style mechanical fuel pump accommodation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpark Plug Position: Slightly moved toward exhaust valve for optimized combustion\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufacturing: Cast and machined in the USA by Edelbrock\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncluded Components: High-quality intake and exhaust valves, valve springs\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits\u003cbr\u003e\nOldsmobile 442 Base 1965\u003cbr\u003e\nOldsmobile 442 Base 1966\u003cbr\u003e\nOldsmobile 442 Base 1967\u003cbr\u003e\nOldsmobile 442 Base 1968\u003cbr\u003e\nOldsmobile 442 Base 1969\u003cbr\u003e\nOldsmobile 442 Base 1970\u003cbr\u003e\nOldsmobile 442 Base 1971\u003cbr\u003e\nOldsmobile 98 Base 1965\u003cbr\u003e\nOldsmobile 98 Base 1966\u003cbr\u003e\nOldsmobile 98 Base 1967\u003cbr\u003e\nOldsmobile 98 Base 1968\u003cbr\u003e\nOldsmobile 98 Base 1969\u003cbr\u003e\nOldsmobile 98 Base 1970\u003cbr\u003e\nOldsmobile 98 Base 1971\u003cbr\u003e\nOldsmobile 98 Base 1972\u003cbr\u003e\nOldsmobile 98 Base 1973\u003cbr\u003e\nOldsmobile 98 Base 1974\u003cbr\u003e\nOldsmobile 98 Holiday 1965\u003cbr\u003e\nOldsmobile 98 Holiday 1966\u003cbr\u003e\nOldsmobile 98 Holiday 1967\u003cbr\u003e\nOldsmobile 98 Luxury 1975\u003cbr\u003e\nOldsmobile 98 Luxury 1976\u003cbr\u003e\nOldsmobile 98 Regency 1973\u003cbr\u003e\nOldsmobile 98 Regency 1974\u003cbr\u003e\nOldsmobile 98 Regency 1975\u003cbr\u003e\nOldsmobile 98 Regency 1976\u003cbr\u003e\nOldsmobile Custom Cruiser Base 1971\u003cbr\u003e\nOldsmobile Custom Cruiser Base 1972\u003cbr\u003e\nOldsmobile Custom Cruiser Base 1973\u003cbr\u003e\nOldsmobile Custom Cruiser Base 1974\u003cbr\u003e\nOldsmobile Custom Cruiser Base 1975\u003cbr\u003e\nOldsmobile Custom Cruiser Base 1976\u003cbr\u003e\nOldsmobile Custom Cruiser Panel 1975\u003cbr\u003e\nOldsmobile Custom Cruiser Panel 1976\u003cbr\u003e\nOldsmobile Cutlass 442 1975\u003cbr\u003e\nOldsmobile Cutlass Base 1965\u003cbr\u003e\nOldsmobile Cutlass Base 1966\u003cbr\u003e\nOldsmobile Cutlass Base 1967\u003cbr\u003e\nOldsmobile Cutlass Base 1968\u003cbr\u003e\nOldsmobile Cutlass Base 1970\u003cbr\u003e\nOldsmobile Cutlass Base 1971\u003cbr\u003e\nOldsmobile Cutlass Base 1972\u003cbr\u003e\nOldsmobile Cutlass Base 1973\u003cbr\u003e\nOldsmobile Cutlass Base 1974\u003cbr\u003e\nOldsmobile Cutlass Base 1975\u003cbr\u003e\nOldsmobile Cutlass Colonnade S 1976\u003cbr\u003e\nOldsmobile Cutlass Cruiser 1972\u003cbr\u003e\nOldsmobile Cutlass Holiday 1965\u003cbr\u003e\nOldsmobile Cutlass Holiday 1966\u003cbr\u003e\nOldsmobile Cutlass Holiday 1967\u003cbr\u003e\nOldsmobile Cutlass S 1968\u003cbr\u003e\nOldsmobile Cutlass S 1971\u003cbr\u003e\nOldsmobile Cutlass S 1972\u003cbr\u003e\nOldsmobile Cutlass S 1973\u003cbr\u003e\nOldsmobile Cutlass S 1974\u003cbr\u003e\nOldsmobile Cutlass S 1975\u003cbr\u003e\nOldsmobile Cutlass S 1976\u003cbr\u003e\nOldsmobile Cutlass Turnpike Cruiser 1967\u003cbr\u003e\nOldsmobile Cutlass Vista Cruiser 1976\u003cbr\u003e\nOldsmobile Cutlass Salon Base 1975\u003cbr\u003e\nOldsmobile Cutlass Salon Base 1976\u003cbr\u003e\nOldsmobile Cutlass Supreme Base 1971\u003cbr\u003e\nOldsmobile Cutlass Supreme Base 1972\u003cbr\u003e\nOldsmobile Cutlass Supreme Base 1973\u003cbr\u003e\nOldsmobile Cutlass Supreme Base 1974\u003cbr\u003e\nOldsmobile Cutlass Supreme Base 1975\u003cbr\u003e\nOldsmobile Cutlass Supreme Base 1976\u003cbr\u003e\nOldsmobile Cutlass Supreme Colonnade 1976\u003cbr\u003e\nOldsmobile Cutlass Supreme Cruiser 1974\u003cbr\u003e\nOldsmobile Cutlass Supreme Cruiser 1975\u003cbr\u003e\nOldsmobile Cutlass Supreme Hurst 1975\u003cbr\u003e\nOldsmobile Cutlass Tiara Base 1976\u003cbr\u003e\nOldsmobile Delmont 88 Base 1967\u003cbr\u003e\nOldsmobile Delmont 88 Base 1968\u003cbr\u003e\nOldsmobile Delmont 88 Holiday 1967\u003cbr\u003e\nOldsmobile Delta 88 Base 1965\u003cbr\u003e\nOldsmobile Delta 88 Base 1966\u003cbr\u003e\nOldsmobile Delta 88 Base 1967\u003cbr\u003e\nOldsmobile Delta 88 Base 1968\u003cbr\u003e\nOldsmobile Delta 88 Base 1969\u003cbr\u003e\nOldsmobile Delta 88 Base 1970\u003cbr\u003e\nOldsmobile Delta 88 Base 1971\u003cbr\u003e\nOldsmobile Delta 88 Base 1972\u003cbr\u003e\nOldsmobile Delta 88 Base 1973\u003cbr\u003e\nOldsmobile Delta 88 Base 1974\u003cbr\u003e\nOldsmobile Delta 88 Base 1975\u003cbr\u003e\nOldsmobile Delta 88 Base 1976\u003cbr\u003e\nOldsmobile Delta 88 Custom 1967\u003cbr\u003e\nOldsmobile Delta 88 Custom 1968\u003cbr\u003e\nOldsmobile Delta 88 Custom 1969\u003cbr\u003e\nOldsmobile Delta 88 Custom 1970\u003cbr\u003e\nOldsmobile Delta 88 Custom 1971\u003cbr\u003e\nOldsmobile Delta 88 Holiday 1965\u003cbr\u003e\nOldsmobile Delta 88 Holiday 1966\u003cbr\u003e\nOldsmobile Delta 88 Holiday 1967\u003cbr\u003e\nOldsmobile Delta 88 Royale 1969\u003cbr\u003e\nOldsmobile Delta 88 Royale 1970\u003cbr\u003e\nOldsmobile Delta 88 Royale 1971\u003cbr\u003e\nOldsmobile Delta 88 Royale 1972\u003cbr\u003e\nOldsmobile Delta 88 Royale 1973\u003cbr\u003e\nOldsmobile Delta 88 Royale 1974\u003cbr\u003e\nOldsmobile Delta 88 Royale 1975\u003cbr\u003e\nOldsmobile Delta 88 Royale 1976\u003cbr\u003e\nOldsmobile Dynamic 88 Base 1965\u003cbr\u003e\nOldsmobile Dynamic 88 Base 1966\u003cbr\u003e\nOldsmobile Dynamic 88 Holiday 1965\u003cbr\u003e\nOldsmobile Dynamic 88 Holiday 1966\u003cbr\u003e\nOldsmobile F85 Base 1965\u003cbr\u003e\nOldsmobile F85 Base 1966\u003cbr\u003e\nOldsmobile F85 Base 1970\u003cbr\u003e\nOldsmobile F85 Base 1972\u003cbr\u003e\nOldsmobile F85 Deluxe 1965\u003cbr\u003e\nOldsmobile F85 Deluxe 1966\u003cbr\u003e\nOldsmobile F85 Holiday 1966\u003cbr\u003e\nOldsmobile Jetstar I Base 1965\u003cbr\u003e\nOldsmobile Starfire Base 1965\u003cbr\u003e\nOldsmobile Starfire Base 1966\u003cbr\u003e\nOldsmobile Toronado Base 1966\u003cbr\u003e\nOldsmobile Toronado Base 1967\u003cbr\u003e\nOldsmobile Toronado Base 1968\u003cbr\u003e\nOldsmobile Toronado Base 1969\u003cbr\u003e\nOldsmobile Toronado Base 1970\u003cbr\u003e\nOldsmobile Toronado Base 1971\u003cbr\u003e\nOldsmobile Toronado Base 1972\u003cbr\u003e\nOldsmobile Toronado Base 1973\u003cbr\u003e\nOldsmobile Toronado Base 1974\u003cbr\u003e\nOldsmobile Toronado Brougham 1971\u003cbr\u003e\nOldsmobile Toronado Brougham 1972\u003cbr\u003e\nOldsmobile Toronado Brougham 1973\u003cbr\u003e\nOldsmobile Toronado Brougham 1974\u003cbr\u003e\nOldsmobile Toronado Brougham 1975\u003cbr\u003e\nOldsmobile Toronado Brougham 1976\u003cbr\u003e\nOldsmobile Toronado Custom 1968\u003cbr\u003e\nOldsmobile Toronado Custom 1969\u003cbr\u003e\nOldsmobile Toronado Custom 1970\u003cbr\u003e\nOldsmobile Toronado Custom 1975\u003cbr\u003e\nOldsmobile Toronado Custom 1976\u003cbr\u003e\nOldsmobile Toronado Deluxe 1966\u003cbr\u003e\nOldsmobile Toronado Deluxe 1967\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1968\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1969\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1970\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1971\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1972\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1973\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1974\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1975","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":55139429351729,"sku":"487756","price":1550.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/678ab395db9ed31bab0091ac196ade9d.jpg?v=1783561974","url":"https:\/\/shop.topspeedcincy.com\/products\/edelbrock-performer-rpm-61025-big-block-oldsmobile-cylinder-head-for-1965-1976-v8-engines","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}