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Technical Articles for Part Number HRS-180325-10
Howards Cams Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 278/286, Lift .525/.530, Chevy, 5.0L, 5.7L, Each
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Estimated Ship Date: Dec 11, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
180325-10
Part Type:
Product Line:
Summit Racing Part Number:
HRS-180325-10
UPC:
840793108305
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Rough idle, street/strip performance, strong midrange. 2,500+ stall.
Basic Operating RPM Range:
2,200-5,800
Intake Duration at 050 inch Lift:
225
Exhaust Duration at 050 inch Lift:
233
Duration at 050 inch Lift:
225 int./233 exh.
Advertised Intake Duration:
278
Advertised Exhaust Duration:
286
Advertised Duration:
278 int./286 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.525 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.530 in.
Valve Lift with Factory Rocker Arm Ratio:
0.525 int./0.530 exh.
Lobe Separation (degrees):
110
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
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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