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Technical Articles for Part Number HRS-111233-06S
Howards Cams Steel Billet Mechanical Roller Camshafts 111233-06S
Part Number: HRS-111233-06S
Howards Cams Steel Billet Mechanical Roller Camshafts
Camshaft, Mechanical Roller Tappet, Advertised Duration 309/317, Lift .675/.645, Chevy, Small Block, Each
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Estimated Ship Date: Dec 31, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
111233-06S
Part Type:
Product Line:
Summit Racing Part Number:
HRS-111233-06S
UPC:
840793101825
Cam Style:
Solid roller, Retro-fit
Camshaft Use:
Drag race
Camshaft Manufacturers Description:
Small base circle. All-out competition, big cylinder head and compression.
Basic Operating RPM Range:
5,200-8,800
Intake Duration at 050 inch Lift:
277
Exhaust Duration at 050 inch Lift:
285
Duration at 050 inch Lift:
277 int./285 exh.
Advertised Intake Duration:
309
Advertised Exhaust Duration:
317
Advertised Duration:
309 int./317 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.675 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.645 in.
Valve Lift with Factory Rocker Arm Ratio:
0.675 int./0.645 exh.
Lobe Separation (degrees):
106
Camshaft Gear Attachment:
3-bolt
Intake Valve Lash:
0.022 in.
Exhaust Valve Lash:
0.022 in.
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Small base circle cam.
Howards Cams Steel Billet Mechanical Roller Camshafts
Howards Cams steel billet mechanical roller camshafts are serious cams for serious performance. Cut from billet steel these high-grade, race-quality mechanical roller cams from Howards are ground on precision equipment to ensure awesome performance. Mechanical roller cams offer aggressive power for all-out competition. They're billet, they're Howards, and they're serious-- mechanical roller camshafts!
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Some parts are not legal for use in California or other states with similar laws / regulations
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