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Best Prices: Crane 139651 PowerMax Camshaft » Crane Cams

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Part Name: Crane 139651 PowerMax Camshaft
Part Number: 139651
Part Brand: Crane Cams

Part Image / Picture

Crane 139651 PowerMax Camshaft (139651)

Part Description & Details

The Crane PowerMax Camshafts have lobe patterns which are specifically designed to balance intake and exhaust flow. The camshaft uses lobes (called cams) that push against the valves to open them as the camshaft rotates; springs on the valves return them to their closed position. Intake duration at 0.050 lift is 244 degree and exhaust duration at 0.050 lift is 256 degree. Ratio of the rocker arm is 1.70.

Features:
  • Camshaft is hydraulic roller tappet
  • Intake and exhaust duration at 0.004 lift is 306 degree and 318 degree
  • Intake valve lift with factory arm ratio is 0.632
  • Basic operating RPM range is from 3800 to 7000 RPM
  • Exhaust valve lift with factory arm ratio is 0.632

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