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Technical Articles for Part Number HRS-CL112571-12
Howards Cams Street Force 2 Hydraulic Flat Tappet Camshaft and lifter Kits CL112571-12
Part Number: HRS-CL112571-12
Howards Cams Street Force 2 Hydraulic Flat Tappet Camshaft and lifter Kits
Cam and Lifters, Street Force 2, Hydraulic Flat Tappet, Advertised Duration 269/279, Lift .455/.465, Chevy, Small Block, Kit
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Overview
Brand:
Manufacturer's Part Number:
CL112571-12
Part Type:
Product Line:
Summit Racing Part Number:
HRS-CL112571-12
UPC:
840793127986
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
1,200-5,500
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Strong low and midrange torque and horsepower.
Intake Duration at 050 inch Lift:
215
Exhaust Duration at 050 inch Lift:
225
Duration at 050 inch Lift:
215 int./225 exh.
Advertised Intake Duration:
269
Advertised Exhaust Duration:
279
Advertised Duration:
269 int./279 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.455 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.465 in.
Valve Lift with Factory Rocker Arm Ratio:
0.455 int./0.465 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
Howards Cams Street Force 2 Hydraulic Flat Tappet Camshaft and lifter Kits
Howards Cams Street Force 2 hydraulic flat tappet camshafts are engineered for the street performance enthusiast. The specially designed grinds were created to provide a good idle and increased throttle response. This series of camshafts work best with an improved intake manifold, 4-barrel carburetor, free-flow exhaust, and 1,600 to 1,800 stall rpm torque converter. The kits also include a matched set of premium lifters suitable for stock to race applications. Street Force 2 models also feature 112 degree lobe separations to help maintain vacuum. The cams are available for a wide variety of year/make and engine applications. Street performance begins with Howards Cams!
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Some parts are not legal for use in California or other states with similar laws / regulations
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