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Technical Articles for Part Number HRS-210031-12
Howards Cams Street Force 2 Hydraulic Flat Tappet Camshafts 210031-12
Part Number: HRS-210031-12
Howards Cams Street Force 2 Hydraulic Flat Tappet Camshafts
Camshaft, Street Force 2, Hydraulic Flat Tappet, Advertised Duration 269/277, Lift .475/.496, Ford, 221, 255, 260, 289, 302
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Overview
Brand:
Manufacturer's Part Number:
210031-12
Part Type:
Product Line:
Summit Racing Part Number:
HRS-210031-12
UPC:
840793109197
Cam Style:
Hydraulic flat tappet
Camshaft Use:
Marine/Strip
Camshaft Manufacturers Description:
Broad powerband. Excellent in Hot Street and marine.
Basic Operating RPM Range:
1,500-5,400
Intake Duration at 050 inch Lift:
215
Exhaust Duration at 050 inch Lift:
223
Duration at 050 inch Lift:
215 int./223 exh.
Advertised Intake Duration:
269
Advertised Exhaust Duration:
277
Advertised Duration:
269 int./277 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.475 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.496 in.
Valve Lift with Factory Rocker Arm Ratio:
0.475 int./0.496 exh.
Lobe Separation (degrees):
112
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
Howards Cams Street Force 2 Hydraulic Flat Tappet Camshafts
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. 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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