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Technical Articles for Part Number HRS-190496-12
Howards Cams Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 279/289, Lift .588/.604, Chevy, Small Block LS, Each
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Estimated Ship Date: Dec 31, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
190496-12
Part Type:
Product Line:
Summit Racing Part Number:
HRS-190496-12
UPC:
840793108800
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Street/mild race. Broad torque range, great midrange performance.
Basic Operating RPM Range:
2,200-7,000
Intake Duration at 050 inch Lift:
228
Exhaust Duration at 050 inch Lift:
238
Duration at 050 inch Lift:
228 int./238 exh.
Advertised Intake Duration:
279
Advertised Exhaust Duration:
289
Advertised Duration:
279 int./289 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.588 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.604 in.
Valve Lift with Factory Rocker Arm Ratio:
0.588 int./0.604 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
1-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Fits engines without VVT. Upgraded springs and custom computer tuning required.
Howards Cams Hydraulic Roller Camshafts
Howards Cams hydraulic roller camshafts are offered in a wide variety of profiles, from mild to wild. These units are precision-ground from race-quality cores, in-house, on dedicated cam-grinding machines. Each Howards Cams hydraulic roller camshaft is manufactured to the highest quality standards. Order the model designed for your vehicle and engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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