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Callies LS Hydraulic Roller Camshafts
Camshaft, Chevy LS1, Hydraulic Roller, Street/Strip, 3,200-7,200 RPM
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Estimated Ship Date: Nov 16, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
180-027
Part Type:
Product Line:
Summit Racing Part Number:
CPI-180-027
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
3,200-7,200
Intake Duration at 050 inch Lift:
242
Exhaust Duration at 050 inch Lift:
254
Duration at 050 inch Lift:
242 int./254 exh.
Advertised Intake Duration:
309
Advertised Exhaust Duration:
328
Advertised Duration:
309 int./328 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.615 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.615 in.
Valve Lift with Factory Rocker Arm Ratio:
0.615 int./0.615 exh.
Lobe Separation (degrees):
111
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
For use in blocks with 55mm bearings.
Callies LS Hydraulic Roller Camshafts
Keeping the valvetrain under control is vital to a successful engine program. Callies LS hydraulic roller camshafts feature lobe profiles designed to produce excellent power without sacrificing durability. They are precision ground using Landis CNC grinders, with event timing and lobe profile tolerances verified in Callies ADCOLE inspection gages. With a long history of superior quality grinding experience, Callies is the right choice for all your camshaft needs. Select the LS hydraulic roller camshaft with the specs to meet your build's needs.
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Some parts are not legal for use in California or other states with similar laws / regulations
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