Edelbrock Single Performer RPM Oldsmobile Big Block Cylinder Head (For Use w/ Hyd Roller Camshaft)

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. The 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. Oldsmobile:Big-Block:400 (6.6L)/425 (7.0L)/455 (7.5L) Fits, Fitments 1965 Oldsmobile 442 Base 1965 Oldsmobile 98 Base 1965 Oldsmobile 98 Holiday 1965 Oldsmobile Cutlass Base 1965 Oldsmobile Cutlass Holiday 1965 Oldsmobile Delta 88 Base 1965 Oldsmobile Delta 88 Holiday 1965 Oldsmobile Dynamic 88 Base 1965 Oldsmobile Dynamic 88 Holiday 1965 Oldsmobile F85 Base 1965 Oldsmobile F85 Deluxe 1965 Oldsmobile Jetstar I Base 1965 Oldsmobile Starfire Base 1966 Oldsmobile 442 Base 1966 Oldsmobile 98 Base 1966 Oldsmobile 98 Holiday 1966 Oldsmobile Cutlass Base 1966 Oldsmobile Cutlass Holiday 1966 Oldsmobile Delta 88 Base 1966 Oldsmobile Delta 88 Holiday 1966 Oldsmobile Dynamic 88 Base 1966 Oldsmobile Dynamic 88 Holiday 1966 Oldsmobile F85 Base 1966 Oldsmobile F85 Deluxe 1966 Oldsmobile F85 Holiday 1966 Oldsmobile Starfire Base 1966 Oldsmobile Toronado Base 1966 Oldsmobile Toronado Deluxe 1967 Oldsmobile 442 Base 1967 Oldsmobile 98 Base 1967 Oldsmobile 98 Holiday 1967 Oldsmobile Cutlass Base 1967 Oldsmobile Cutlass Holiday 1967 Oldsmobile Cutlass Turnpike Cruiser 1967 Oldsmobile Delmont 88 Base 1967 Oldsmobile Delmont 88 Holiday 1967 Oldsmobile Delta 88 Base 1967 Oldsmobile Delta 88 Custom 1967 Oldsmobile Delta 88 Holiday 1967 Oldsmobile Toronado Base 1967 Oldsmobile Toronado Deluxe 1968 Oldsmobile 442 Base 1968 Oldsmobile 98 Base 1968 Oldsmobile Cutlass Base 1968 Oldsmobile Cutlass S 1968 Oldsmobile Delmont 88 Base 1968 Oldsmobile Delta 88 Base 1968 Oldsmobile Delta 88 Custom 1968 Oldsmobile Toronado Base 1968 Oldsmobile Toronado Custom 1968 Oldsmobile Vista Cruiser Base 1969 Oldsmobile 442 Base 1969 Oldsmobile 98 Base 1969 Oldsmobile Delta 88 Base 1969 Oldsmobile Delta 88 Custom 1969 Oldsmobile Delta 88 Royale 1969 Oldsmobile Toronado Base 1969 Oldsmobile Toronado Custom 1969 Oldsmobile Vista Cruiser Base 1970 Oldsmobile 442 Base 1970 Oldsmobile 98 Base 1970 Oldsmobile Cutlass Base 1970 Oldsmobile Delta 88 Base 1970 Oldsmobile Delta 88 Custom 1970 Oldsmobile Delta 88 Royale 1970 Oldsmobile F85 Base 1970 Oldsmobile Toronado Base 1970 Oldsmobile Toronado Custom 1970 Oldsmobile Vista Cruiser Base 1971 Oldsmobile 442 Base 1971 Oldsmobile 98 Base 1971 Oldsmobile Custom Cruiser Base 1971 Oldsmobile Cutlass Base 1971 Oldsmobile Cutlass S 1971 Oldsmobile Cutlass Supreme Base 1971 Oldsmobile Delta 88 Base 1971 Oldsmobile Delta 88 Custom 1971 Oldsmobile Delta 88 Royale 1971 Oldsmobile Toronado Base 1971 Oldsmobile Toronado Brougham 1971 Oldsmobile Vista Cruiser Base 1972 Oldsmobile 98 Base 1972 Oldsmobile Custom Cruiser Base 1972 Oldsmobile Cutlass Base 1972 Oldsmobile Cutlass Cruiser 1972 Oldsmobile Cutlass S 1972 Oldsmobile Cutlass Supreme Base 1972 Oldsmobile Delta 88 Base 1972 Oldsmobile Delta 88 Royale 1972 Oldsmobile F85 Base 1972 Oldsmobile Toronado Base 1972 Oldsmobile Toronado Brougham 1972 Oldsmobile Vista Cruiser Base 1973 Oldsmobile 98 Base 1973 Oldsmobile 98 Regency 1973 Oldsmobile Custom Cruiser Base 1973 Oldsmobile Cutlass Base 1973 Oldsmobile Cutlass S 1973 Oldsmobile Cutlass Supreme Base 1973 Oldsmobile Delta 88 Base 1973 Oldsmobile Delta 88 Royale 1973 Oldsmobile Toronado Base 1973 Oldsmobile Toronado Brougham 1973 Oldsmobile Vista Cruiser Base 1974 Oldsmobile 98 Base 1974 Oldsmobile 98 Regency 1974 Oldsmobile Custom Cruiser Base 1974 Oldsmobile Cutlass Base 1974 Oldsmobile Cutlass S 1974 Oldsmobile Cutlass Supreme Base 1974 Oldsmobile Cutlass Supreme Cruiser 1974 Oldsmobile Delta 88 Base 1974 Oldsmobile Delta 88 Royale 1974 Oldsmobile Toronado Base 1974 Oldsmobile Toronado Brougham 1974 Oldsmobile Vista Cruiser Base 1975 Oldsmobile 98 Luxury 1975 Oldsmobile 98 Regency 1975 Oldsmobile Custom Cruiser Base 1975 Oldsmobile Custom Cruiser Panel 1975 Oldsmobile Cutlass 442 1975 Oldsmobile Cutlass Base 1975 Oldsmobile Cutlass S 1975 Oldsmobile Cutlass Salon Base 1975 Oldsmobile Cutlass Supreme Base 1975 Oldsmobile Cutlass Supreme Cruiser 1975 Oldsmobile Cutlass Supreme Hurst 1975 Oldsmobile Delta 88 Base 1975 Oldsmobile Delta 88 Royale 1975 Oldsmobile Toronado Brougham 1975 Oldsmobile Toronado Custom 1975 Oldsmobile Vista Cruiser Base 1976 Oldsmobile 98 Luxury 1976 Oldsmobile 98 Regency 1976 Oldsmobile Custom Cruiser Base 1976 Oldsmobile Custom Cruiser Panel 1976 Oldsmobile Cutlass Colonnade S 1976 Oldsmobile Cutlass S 1976 Oldsmobile Cutlass Vista Cruiser 1976 Oldsmobile Cutlass Salon Base 1976 Oldsmobile Cutlass Supreme Base 1976 Oldsmobile Cutlass Supreme Colonnade 1976 Oldsmobile Cutlass Tiara Base 1976 Oldsmobile Delta 88 Base 1976 Oldsmobile Delta 88 Royale 1976 Oldsmobile Toronado Brougham 1976 Oldsmobile Toronado Custom