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Part number: 12-609-5
Product Details
Comp Cams 12-609-5 Racing Camshaft
Products specifications
Advertised Duration 285 int./295 exh.
Advertised Exhaust Duration 295
Advertised Intake Duration 285
Basic Operating RPM Range 3,000-6,500
Cam Style Mechanical flat tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 250 int./260 exh.
Exhaust Duration at 050 inch Lift 260
Exhaust Valve Lash 0.022 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.555 in.
Grind Number CS 285B-6
Intake Duration at 050 inch Lift 250
Intake Valve Lash 0.020 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.532 in.
Lobe Separation (degrees) 106
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.532 int./0.555 exh. lift
Valve Springs Required Yes
Title 12-609-5 CamShaft, CS 285B-6
Engine Make/Size Chevy Small Block (262-400)
RPM Range 3000-9000
Usage Strip
Exh. Duration @ .050 in. (Deg) 260
Exh. Duration Advertised (Deg) 295-1
Exhaust Valve Lift (in.) 0.555
Int. Duration @ .050 in. (Deg) 250
Int. Duration Advertised (Deg) 285-1
Intake Valve Lift (in.) 0.532
Lifter Type Mechanical Flat Tappet

SOLID - Drag Race: Great torque, 3800+ stall or 4 speed, 10.5:1 compression. OR Oval Track: Very versatile cam. Great for 1/4-3/8 mile track. OR Puller & Mud Race: Excellent torque and good idle for 327-350. Needs 10:1+ compression and low gears.

  • Valve spring upgrade required
  • 285/295 Advertised Duration, 250/260 Duration @ .050 inch, .532 inch/.555 inch Lift, 110 Lobe Separation
  • SOLID - Drag Race: Great torque, 3800+ stall or 4 speed, 10.5:1 compression. OR Oval Track: Very versatile cam. Great for 1/4-3/8 mile track. OR Puller & Mud Race: Excellent torque and good idle for 327-350. Needs 10:1+ compression and low gears.
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Great prices and quick shipping!  They kept me informed of when the item was shipped also.  Couldn't be happier!
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Great prices. Great live customer service. Very pleased, will definitely order again.
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GREAT SERVICE, FAST SHIPPING, WILL USE AGAIN
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Autoplicity is awesome!  Easy check out and quick shipping!  Will buy from again!
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