{"product_id":"edelbrock-rollin-thunder-roller-cam-1965-95-bbc-396-502-2261","title":"Edelbrock Rollin' Thunder Roller Camshaft — 1965-1995 Big-Block Chevy 396-502 Mark IV\/Gen V | 236\/245 @ .050, .625\/.639 Lift | 2261","description":"\u003cp\u003eThe Edelbrock 2261 Rollin' Thunder is a roller-lifter camshaft for 1965-1995 Chevrolet Mark IV and Gen V big-block V8s: 396, 402, 427, 454 and 502 cubic inch. Duration at 0.050 in lift is 236 degrees intake and 245 degrees exhaust, valve lift with factory-ratio rocker arms is 0.625 in intake and 0.639 in exhaust, and lobe separation is 112 degrees. The operating range is 1,500 to 6,500 RPM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot for 1965-1966 big-block Chevrolet engines with a grooved rear cam journal.\u003c\/li\u003e\n\u003cli\u003eUse with a high-stall torque converter and stock-ratio rocker arms only.\u003c\/li\u003e\n\u003cli\u003eAdvertised duration: 335 degrees intake, 329 degrees exhaust.\u003c\/li\u003e\n\u003cli\u003eIntake centerline: 109 degrees. Idle vacuum: 10 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Edelbrock\u003c\/li\u003e\n\u003cli\u003ePart Number: 2261\u003c\/li\u003e\n\u003cli\u003ePart Type: Engine Camshaft\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Lift With Factory Rocker Arm Ratio: 0.639 in\u003c\/li\u003e\n\u003cli\u003eSeries: Rollin' Thunder\u003c\/li\u003e\n\u003cli\u003eComputer Controlled Compatible: No\u003c\/li\u003e\n\u003cli\u003eIntake Duration at .050 Inch Lift: 236 deg\u003c\/li\u003e\n\u003cli\u003eRPM Operating Range: 1500-6500 RPM\u003c\/li\u003e\n\u003cli\u003eAdvertised Intake Duration: 335 deg\u003c\/li\u003e\n\u003cli\u003eAdvertised Exhaust Duration: 329 deg\u003c\/li\u003e\n\u003cli\u003eIntake Valve Lift: 0.368 in\u003c\/li\u003e\n\u003cli\u003eIntake Valve Lift with Factory Rocker Arm Ratio: 0.625 in\u003c\/li\u003e\n\u003cli\u003eLifter Type: Roller\u003c\/li\u003e\n\u003cli\u003eLobe Separation: 112 deg\u003c\/li\u003e\n\u003cli\u003eExhaust Duration at .050 inch Lift: 245 deg\u003c\/li\u003e\n\u003cli\u003eCam Type: Roller\u003c\/li\u003e\n\u003cli\u003eManufacturer warranty: 12 months\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Big-Block Mark IV: 396 (6.6L), 402 (6.6L), 427 (7.0L), 454 (7.4L), 502 (8.2L)\u003c\/li\u003e\n\u003cli\u003eChevrolet Big-Block Gen V: 396 (6.6L), 402 (6.6L), 427 (7.0L), 454 (7.4L), 502 (8.2L)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChevrolet: Bel Air 1967-1975; Biscayne 1967-1972; Blazer 1973-1974; Brookwood 1969-1972; C10 1975-1980; C10 Pickup 1968-1974; C10 Suburban 1968-1980; C20 1975-1986; C20 Pickup 1968-1974; C20 Suburban 1968-1986; C30 1975-1986; C30 Pickup 1968-1974; Camaro 1967-1972; Caprice 1967-1976; Chevelle 1967-1973; Chevy II 1968; Corvette 1967-1974; El Camino 1967-1975; Estate 1969-1970; G10 Van 1973-1974; G20 1976; G20 Van 1973-1974; G30 1975-1976; G30 Van 1973-1974; Impala 1967-1976; K10 1976-1980; K10 Pickup 1968-1974; K10 Suburban 1968-1974; K20 1976-1978; K20 Pickup 1968-1974; K20 Suburban 1968-1972; K30 Pickup 1968-1974; K5 Blazer 1976-1978; Kingswood 1969-1972; Laguna 1973-1975; Malibu 1967, 1973-1975; Monte Carlo 1970-1973; Nova 1969-1972; R30 1987-1988; R3500 1989; Townsman 1969-1972; V30 1987-1988; V3500 1989\u003c\/li\u003e\n\u003cli\u003eGMC: C15 1975-1978; C15 Suburban 1975-1978; C15\/C1500 Pickup 1968-1974; C15\/C1500 Suburban 1968-1974; C1500 1979-1980; C1500 Suburban 1979-1980; C25 1975-1978; C25 Suburban 1975-1978; C25\/C2500 Pickup 1968-1974; C25\/C2500 Suburban 1968-1974; C2500 1979-1986; C2500 Suburban 1979-1986; C35 1975-1978; C35\/C3500 Pickup 1968-1974; C3500 1979-1986; G25 1975-1976; G35 1976; G35\/G3500 Van 1973-1974; K15 1976; K15\/K1500 Pickup 1968-1974; K15\/K1500 Suburban 1968-1974; K1500 1980; K25 1976-1978; K25 Suburban 1976-1977; K25\/K2500 Pickup 1968-1974; K25\/K2500 Suburban 1968-1974; K35\/K3500 Pickup 1968-1974; K3500 1979-1986; R3500 1987-1989; Sprint 1971-1975; V3500 1987-1989\u003c\/li\u003e\n\u003cli\u003ePontiac: Acadian 1968-1971; Beaumont 1967-1969; Laurentian 1967-1970; Parisienne 1967-1970; Strato-Chief 1967-1970\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGrouped by make, with model years for each model (79 models, 407 year, make and model combinations).\u003c\/p\u003e\u003cp\u003eFits only vehicles equipped with a Chevrolet Mark IV or Gen V big-block V8. Not for 1965-1966 engines with a grooved rear cam journal.\u003c\/p\u003e\u003ch3\u003eEmissions Status\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFor use on pre-pollution-controlled vehicles: 1965 and older U.S.-manufactured California-certified vehicles, 1967 and older U.S.-manufactured federally certified vehicles, and 1967 and older foreign-manufactured vehicles.\u003c\/li\u003e\n\u003cli\u003eFor engine swaps into uncontrolled or pre-pollution-controlled vehicles. Not legal for use on pollution-controlled vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engines does the Edelbrock 2261 fit?\u003c\/h5\u003e\u003cp\u003eIt fits Chevrolet Mark IV and Gen V big-block V8s: 396, 402, 427, 454 and 502 cubic inch. It is not for 1965-1966 engines with a grooved rear cam journal.\u003c\/p\u003e\u003ch5\u003eWhat are the cam specs of the 2261?\u003c\/h5\u003e\u003cp\u003eDuration at 0.050 in lift is 236 degrees intake and 245 degrees exhaust, valve lift with factory-ratio rocker arms is 0.625 in intake and 0.639 in exhaust, and lobe separation is 112 degrees.\u003c\/p\u003e\u003ch5\u003eWhat does the 2261 require?\u003c\/h5\u003e\u003cp\u003eUse it with a high-stall torque converter and stock-ratio rocker arms only.\u003c\/p\u003e\u003ch5\u003eWhat RPM range is the 2261 built for?\u003c\/h5\u003e\u003cp\u003e1,500 to 6,500 RPM.\u003c\/p\u003e\u003ch5\u003eIs the Edelbrock 2261 street legal?\u003c\/h5\u003e\u003cp\u003eIt is not 50-state legal. Its emissions status is for pre-pollution-controlled vehicles and engine swaps into those vehicles.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What engines does the Edelbrock 2261 fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits Chevrolet Mark IV and Gen V big-block V8s: 396, 402, 427, 454 and 502 cubic inch. It is not for 1965-1966 engines with a grooved rear cam journal.\"}}, {\"@type\": \"Question\", \"name\": \"What are the cam specs of the 2261?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Duration at 0.050 in lift is 236 degrees intake and 245 degrees exhaust, valve lift with factory-ratio rocker arms is 0.625 in intake and 0.639 in exhaust, and lobe separation is 112 degrees.\"}}, {\"@type\": \"Question\", \"name\": \"What does the 2261 require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use it with a high-stall torque converter and stock-ratio rocker arms only.\"}}, {\"@type\": \"Question\", \"name\": \"What RPM range is the 2261 built for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"1,500 to 6,500 RPM.\"}}, {\"@type\": \"Question\", \"name\": \"Is the Edelbrock 2261 street legal?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is not 50-state legal. Its emissions status is for pre-pollution-controlled vehicles and engine swaps into those vehicles.\"}}]}\u003c\/script\u003e\u003cp\u003e\u003csmall\u003eCalifornia Proposition 65: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.\u003c\/small\u003e\u003c\/p\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":42659359785008,"sku":"BDVJ_2261","price":583.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/EDE2261.jpg?v=1766208162","url":"https:\/\/berryperformancesales.com\/products\/edelbrock-rollin-thunder-roller-cam-1965-95-bbc-396-502-2261","provider":"Berry Performance Sales","version":"1.0","type":"link"}