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Camshaft, Hydraulic Roller Tappet, Advertised Duration 276/284, Lift .488/.509, Chevy, Small Block, Each
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Crane Hydraulic Roller Camshafts 109821

Crane Hydraulic Roller Camshafts 109821

CRN-109821

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Part Number: CRN-109821

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Overview

Brand:
Manufacturer's Part Number:
109821
Part Type:
Product Line:
Summit Racing Part Number:
CRN-109821
UPC:
021174044362
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
1,600-5,800
Intake Duration at 050 inch Lift:
214
Exhaust Duration at 050 inch Lift:
222
Duration at 050 inch Lift:
214 int./222 exh.
Advertised Intake Duration:
276
Advertised Exhaust Duration:
284
Advertised Duration:
276 int./284 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.488 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.509 in.
Valve Lift with Factory Rocker Arm Ratio:
0.488 int./0.509 exh.
Lobe Separation (degrees):
112
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
HR-276-2S-12 IG
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Camshaft incorporates an integral cast iron distributor drive gear. Aluminum-bronze distributor drive gear not required. 8.75 to 10.75 compression ratio advised.

Crane Hydraulic Roller Camshafts

Crane hydraulic roller camshafts are a good reason why virtually all pushrod-style engines manufactured for over two decades are equipped with hydraulic roller cams. Simply stated, the best way to get a wider torque band is to step up to a hydraulic roller cam in your small or big block Chevy, Ford, Mopar, AMC, Olds, or Pontiac. The roller cams' ability to quickly open and close the valves allows for more sophisticated camshaft profiles, while the hydraulic lifter body eliminates the need to constantly set valve lash. Crane Cams has the industry's largest database of camshaft profiles. This enables Crane to provide you with the camshaft that's ideally suited for your application. They also have an exceptional "flat" power curve and are a popular retrofit into older engines. Crane hydraulic roller camshafts are the starting and ending points for your camshaft needs.

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Instructions & Calculators

Instruction Sheets for Part Number CRN-109821

Technical Articles for Part Number CRN-109821

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