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Rollin’ Thunder Camshaft for 1961-65 Chevy 348/409 "W-Series"

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$677.95
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Edelbrock Rollin' Thunder Camshaft #2268 is designed for 348/409 (W Series) engines from 1958-65 and produce optimum torque from the low-end to the mid-range.
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SKU
2268
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Rollin Thunder camshaft #2268 is designed for optimum torque from the low-end to the mid-range, Performer-Plus camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. They are smooth idling cams for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions.• Make sure the vehicle is on level ground and supported properly. Drain engine oil and coolant, storing them inappropriate containers or disposing of them properly• After getting access to the front of the engine, remove the serpentine accessory drive belt• Remove the water pump• Remove the distributor• Loosen the oil pan bolts enough to pull the oil pan away from the engine slightly to provide clearance for removing the timing cover• Remove the intake manifold and the oil pump drive shaft bolt and assembly• Remove the valve covers, remove the rocker arm nuts and pivot balls.• Rotate the engine so that the timing marks on the timing chain are in line• Remove the camshaft retaining plate and carefully remove the camshaft• There is a pin that puts the distributor in proper time that is inserted into the camshaft• Liberally coat the new Performer-Plus camshaft journals and lobes with clean engine oil• Replace the camshaft retaining plate and tighten the bolts to the factory specification• Replace the timing chain and camshaft sprocket• Coat the lifters with clean engine oil• Install the pushrods and rocker arms• Install the valve covers

Documents & Installation Notes

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Specs

Manufacturer Edelbrock
Application Application Specific
UPC 00085347022687
Exhaust Valve Lift With Factory Rocker Arm Ratio 0.639 in
Exhaust Valve Lift With Factory Rocker Arm Ratio 0.639 in
Computer Controlled Compatible No
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: 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.
Advertised Exhaust Duration 329 deg
Advertised Intake Duration 335 deg
Intake Duration at .050 Inch Lift 236 deg
Intake Valve Lift 0.368 in
Intake Valve Lift with Factory Rocker Arm Ratio 0.625 in
Lifter Type Roller
Lobe Separation 112 deg