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Technical Articles for Part Number HRS-197096-12
Howards Cams Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller, 278/290 Advertised Duration, 0.625/0.625 Lift, 112 LSA, 1-bolt, 2,000-7,000 RPM, Chevrolet, LS, Each
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Estimated Ship Date: Dec 28, 2026 Would you rather pick it up?
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COMP Cams LSR Series Hydraulic Roller Camshafts 146-458-11
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Estimated Ship Date: Dec 15, 2026
Overview
Brand:
Manufacturer's Part Number:
197096-12
Part Type:
Product Line:
Summit Racing Part Number:
HRS-197096-12
UPC:
840793133642
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Street/Strip performance, good mid-range power. Needs good heads.
Basic Operating RPM Range:
2,000-7,000
Intake Duration at 050 inch Lift:
230
Exhaust Duration at 050 inch Lift:
242
Duration at 050 inch Lift:
230 int./242 exh.
Advertised Intake Duration:
278
Advertised Exhaust Duration:
290
Advertised Duration:
278 int./290 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.625 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.625 in.
Valve Lift with Factory Rocker Arm Ratio:
0.625 int./0.625 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
1-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Rotation:
Clockwise
Quantity:
Sold individually.
Notes:
Requires custom tuning and valve springs. For applications without VVT.
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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