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Crane Mechanical Roller Camshafts 688981

Crane Cams 688981 - Crane Mechanical Roller Camshafts

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Camshaft, 3-Bolt, Mechanical Roller Tappet, Advertised Duration 312/312, Lift .670/.670, Mopar, Big Block,Each

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Estimated Ship Date: 10/20/2014 (if ordered today) Would you rather pick it up? Select Location

Brand: Crane Cams
Manufacturer's Part Number: 688981
Part Type: Camshafts
Summit Racing Part Number: CRN-688981

UPC: 021174013597
Cam Style: Mechanical roller tappet
Basic Operating RPM Range: 4,700-8,000
Intake Duration at 050 inch Lift: 280
Exhaust Duration at 050 inch Lift: 280
Duration at 050 inch Lift: 280 int./280 exh.
Advertised Intake Duration: 312
Advertised Exhaust Duration: 312
Advertised Duration: 312 int./312 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.670 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.670 in.
Valve Lift with Factory Rocker Arm Ratio: 0.670 int./0.670 exh.
Lobe Separation (degrees): 108
Camshaft Gear Attachment: 3-bolt
Intake Valve Lash: 0.028 in.
Exhaust Valve Lash: 0.030 in.
Computer-Controlled Compatible: No
Grind Number: R-280/4468-8
Valve Springs Required: Yes
Quantity: Sold individually.
Notes: 3-bolt camshaft. Requires cam button spacer and aluminum-bronze distributor drive gear.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Crane's mechanical roller camshafts are not for the weak of heart. These camshafts are engineered for operation at ranges that can exceed 10,000 rpm and are the perfect blend of performance and efficiency. While a large number of mechanical roller cams are used in purely competition applications, Crane also manufactures less severe roller grinds that are designed for high performance street engines that have higher compression or power-adders. (For best results, the valve lash must be checked and set periodically.) Crane Cams has the industry's largest database of camshaft profiles. This enables Crane to provide you with camshafts that are ideally suited for your application. If you have a power-eating mean machine, Crane has the perfect camshaft for you!

Warranty

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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