{"product_id":"comp-cams-cb-x4-278h-11-camshaft-for-chevrolet-396-454-big-block-engines-with-oiling-groove","title":"COMP Cams CB X4 278H-11 Camshaft for Chevrolet 396-454 Big Block Engines with Oiling Groove","description":"BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.\nGood top end power, needs good intake, headers and gears. Use with 9.5:1 compression and 2500+ stall.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams CB X4 278H-11 camshaft is designed specifically for Chevrolet 396-454 big block engines from 1965-66 that feature an oiling groove in the rear journal. This camshaft enhances top-end power, making it ideal for performance applications where high RPM operation is desired. For optimal results, pair this camshaft with a good intake system, headers, and gears, and operate with a compression ratio of 9.5:1 and a stall speed of 2500 RPM or higher. Proper matching of components ensures maximum performance gains and engine longevity. Please note that the listed part number does not fit models without the oiling groove, so if you require a camshaft with this feature, contact us at 1-800-999-0853 or reach out online for assistance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for Chevrolet 396-454 big block engines from 1965-66\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003es an oiling groove in the rear journal for specific engine models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEnhances top-end horsepower for performance applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimal for use with 9.5:1 compression and 2500+ stall converter\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRequires matching intake, headers, and gear setup for best results\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart of COMP Cams' high-performance camshaft lineup\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55151603908913,"sku":"4389869","price":334.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/86a899ae5b817f7f660d734299630f5f_26ae406a-213f-4b5a-afbf-18b8902163ae.jpg?v=1783574777","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-cb-x4-278h-11-camshaft-for-chevrolet-396-454-big-block-engines-with-oiling-groove","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}