Howards Cams HC-110613-12S Chev SB Mechanical Roller Camshaft Advertised Duration 291/307 Lift .640/.630

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Howards Cams

HC110613-12S
$943.90 AUD
$943.90 AUD
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Howards Cams HC-110613-12S Chev SB Mechanical Roller Camshaft Advertised Duration 291/307 Lift .640/.630

Item Description

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!



  • Cam Style:Mechanical roller tappet
  • Camshaft Use:Street/Strip
  • Camshaft Manufacturers Description:Small base circle. Mid and upper rpm horsepower, 250+ plate system.
  • Basic Operating RPM Range:3,600-7,600
  • Intake Duration at 050 inch Lift:259
  • Exhaust Duration at 050 inch Lift:275
  • Duration at 050 inch Lift:259 int./275 exh.
  • Advertised Intake Duration:291
  • Advertised Exhaust Duration:307
  • Advertised Duration:291 int./307 exh.
  • Intake Valve Lift with Factory Rocker Arm Ratio:0.640 in.
  • Exhaust Valve Lift with Factory Rocker Arm Ratio:0.630 in.
  • Valve Lift with Factory Rocker Arm Ratio:0.640 int./0.630 exh.
  • Lobe Separation (degrees):112
  • Camshaft Gear Attachment:3-bolt
  • Intake Valve Lash:0.022 in.
  • Exhaust Valve Lash:0.022 in.
  • Computer-Controlled Compatible:No
  • Valve Springs Required:Yes
  • Quantity:Sold individually.
  • Notes:Small base circle cam.

Manufacturer Information

  • Manufacturer: Howards Cams
  • Manufacturer Part Number:
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