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Part number: 12-601-4
Competitor Pricing
Product Details
Comp Cams 12-601-4 Mutha Thumper Camshaft
Products specifications
Advertised Duration 287 int./305 exh.
Advertised Exhaust Duration 305
Advertised Intake Duration 287
Basic Operating RPM Range 2,200-6,100
Cam Style Hydraulic flat tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 235 int./249 exh.
Exhaust Duration at 050 inch Lift 249
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.476 in.
Grind Number 287TH7
Intake Duration at 050 inch Lift 235
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.489 in.
Lobe Separation (degrees) 107
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.489 int./0.476 exh. lift
Valve Springs Required Yes
Title 12-601-4 CamShaft, CS 287T H-107 MT THUMPR
Engine Make/Size Chevy Small Block (262-400)
Usage Street/Strip
RPM Range 2000-9000
Exh. Duration @ .050 in. (Deg) 249
Exh. Duration Advertised (Deg) 305
Exhaust Valve Lift (in.) 0.476
Int. Duration @ .050 in. (Deg) 235
Int. Duration Advertised (Deg) 287
Intake Valve Lift (in.) 0.489
Lifter Type Hydraulic Flat Tappet
  • 3 Grinds To Fit All Of Your Performance Needs
  • Long Exhaust Duration
  • Produces A Powerful Hard-Hitting Exhaust Note
  • Excellent Horsepower Gains And Broad Torque Curve
  • Delivers Real Seat Of The Pants Performance
  • Designed For Use w/Latest In ValveTrain Components
  • 1 Year Limited Warranty
Reviews
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C
greaat price
D
Great pricing and customer service. Item shipped on time and with no complicaitons. Best pricing on the internet that I could find. Great seller.
T
Great customer service, ships fast. Will buy from again
B
Bought Motive Brake Bleeding Kit (international) . Best Pricing all around.
Ordered on Tuesday , received via UPS Ground (cheap shipping) on Thursday Noon.
Excellent Packing.
Super Fast Shipping.
Very Statisfied with my on-line order.
Highly Recommended.
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