{"product_id":"small-block-oldsmobile-260-thru-403-cid-cylinder-heads-ede61039","title":"Engine Cylinder Head \u003cbr\u003e Small Block Oldsmobile 260 thru 403 CID","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eIntended for installation on 1965-1976 Small-Block Oldsmobile 350-403 c.i. engines equipped with a flat tappet camshaft, these 356-T6 aluminum casting cylinder heads (PN61039) are a modern refinement to our PN6051 heads, except they can accommodate a factory-style mechanical fuel pump. A smaller 68 cc combustion chamber achieves a more appropriate small block compression ratio compared to our PN61025\/61029’s larger 77 cc chamber, which yields a lower compression ratio than most engine builders desire on a small block engine. These heads require a 3.9375â€\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifics and Features:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eAllows the use of an OEM style mechanical fuel pump\u003c\/li\u003e\n\u003cli\u003eFactory 6-degree valve angle\u003c\/li\u003e\n\u003cli\u003eMaximum compatibility with OEM and aftermarket components\u003c\/li\u003e\n\u003cli\u003eMechanical Fuel Pump Clearance Cutout\u003c\/li\u003e\n\u003cli\u003eOEM Port Locations\u003c\/li\u003e\n\u003cli\u003eRetains compatibility with OEM and popular aftermarket manifolds and Headers\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003e1975 Buick Apollo\u003c\/li\u003e\n\u003cli\u003e1975-1977 Buick Century\u003c\/li\u003e\n\u003cli\u003e1977-1979 Buick Electra Estate Wagon\u003c\/li\u003e\n\u003cli\u003e1975-1978 Buick LeSabre\u003c\/li\u003e\n\u003cli\u003e1975-1976 Buick Regal Skylark\u003c\/li\u003e\n\u003cli\u003e1977-1978 Buick Riviera\u003c\/li\u003e\n\u003cli\u003e1975 Chevrolet Bel Air Camaro Impala Nova Caprice El Camino Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1977-1979 Oldsmobile 98 Custom Cruiser\u003c\/li\u003e\n\u003cli\u003e1968-1977 Oldsmobile Cutlass Supreme Cutlass\u003c\/li\u003e\n\u003cli\u003e1968-1979 Oldsmobile Delta 88\u003c\/li\u003e\n\u003cli\u003e1977-1979 Pontiac Bonneville Catalina\u003c\/li\u003e\n\u003cli\u003e1976-1979 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1975-1977 Pontiac LeMans Grand LeMans\u003c\/li\u003e\n\u003cli\u003e1975-1976 Pontiac Ventura\u003c\/li\u003e\n\u003cli\u003e1975-1977 Oldsmobile Cutlass Salon\u003c\/li\u003e\n\u003cli\u003e1976 Oldsmobile Cutlass Tiara\u003c\/li\u003e\n\u003cli\u003e1976-1977 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1968 Oldsmobile Delmont 88\u003c\/li\u003e\n\u003cli\u003e1973-1976 Oldsmobile Omega\u003c\/li\u003e\n\u003cli\u003e1968-1975 Oldsmobile Vista Cruiser\u003c\/li\u003e\n\u003cli\u003e1977-1978 Oldsmobile Toronado\u003c\/li\u003e\n\u003cli\u003e1968-1972 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1976 Cadillac Seville\u003c\/li\u003e\n\u003cli\u003e1975 GMC Sprint\u003c\/li\u003e\n\u003cli\u003e1975 Pontiac Grand Am\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52773686608235,"sku":"EDE-61039","price":1305.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/EDE-61039-1.jpg?v=1768812866","url":"https:\/\/caautoparts.com\/products\/small-block-oldsmobile-260-thru-403-cid-cylinder-heads-ede61039","provider":"CA Auto Parts","version":"1.0","type":"link"}