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Technical Articles for Part Number HRS-121093-14
Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts 121093-14
Part Number: HRS-121093-14
Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts
Camshaft, Mechanical Roller Tappet, Advertised Duration 315/327, Lift .765/.725, Chevy, Big Block, Each
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Estimated Ship Date: Dec 29, 2026
Overview
Brand:
Manufacturer's Part Number:
121093-14
Part Type:
Product Line:
Summit Racing Part Number:
HRS-121093-14
UPC:
840793105885
Cam Style:
Solid roller, Retro-fit
Camshaft Use:
Drag race
Camshaft Manufacturers Description:
All-out competition in big-inch engine. Needs the best parts.
Basic Operating RPM Range:
4,800-8,500
Intake Duration at 050 inch Lift:
283
Exhaust Duration at 050 inch Lift:
295
Duration at 050 inch Lift:
284 int./295 exh.
Advertised Intake Duration:
315
Advertised Exhaust Duration:
327
Advertised Duration:
315 int./327 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.765 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.725 in.
Valve Lift with Factory Rocker Arm Ratio:
0.765 int./0.725 exh.
Lobe Separation (degrees):
114
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.
Howards Cams Big Bottle Nitrous Oxide Mechanical Roller Camshafts
Cubes on juice need Big Bottle cams from Howards Cams! Their nitrous oxide mechanical roller camshafts offer precision-ground, high-grade, race-quality cores to ensure top performance. These Howards nitrous cams are serious cams for serious street to all-out racing applications engineered with custom-designed lobes for 250 hp and above. Are you looking for maximum performance? Match your N2O with these bottle-built Big Bottle nitrous oxide mechanical roller camshafts from Howards Cams and enjoy the ride!
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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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