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Part number: 11-681-47
Competitor Pricing
Product Details
Comp Cams 11-681-47 Drag Race 4/7 Swap Firing Order Camshaft
Products specifications
Advertised Duration 292 int./308 exh.
Advertised Exhaust Duration 308
Advertised Intake Duration 292
Basic Operating RPM Range 3,600-6,800
Cam Style Mechanical flat tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 262 int./270 exh.
Exhaust Duration at 050 inch Lift 270
Exhaust Valve Lash 0.020 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.637 in.
Grind Number CB 47S TL292A-8
Intake Duration at 050 inch Lift 262
Intake Valve Lash 0.018 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.635 in.
Lobe Separation (degrees) 108
Notes Special 4/7 swap firing order.
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.635 int./0.637 exh. lift
Valve Springs Required Yes
Title 11-681-47 CamShaft, CB 47S TL292A-8
Engine Make/Size Chevy Big Block (396-454)
RPM Range 3000-9000
Usage Strip
Exh. Duration @ .050 in. (Deg) 270
Exh. Duration Advertised (Deg) 308
Exhaust Valve Lift (in.) 0.637
Int. Duration @ .050 in. (Deg) 262
Int. Duration Advertised (Deg) 292
Intake Valve Lift (in.) 0.635
Lifter Type Hydraulic Flat Tappet
  • Drag Race Xtreme RX Camshaft
  • 1 Year Limited Warranty
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Order 12486. Item was simple to find and the website made it very easy to navigate. I appreciated the ability to pay with paypal and email notifications gave me confidence that everything was taken care of properly.
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Great Prices and fast, fast shipping.  I will definitely do business with them again.
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