Hydraulic Roller Camshaft
• Small Block Chevy
• HT383/Ramjet 350 Cam
• Lift: .431'' Int. / .451'' Exh.
• Duration: 196° Int / 206° Exh. @ .050'' Lift
• 109° Lobe Centerline
  
  
  This hydraulic roller design is used on the 383 truck and Ramjet 350. The duration at lash point in degrees (intake/exhaust) is 288/308; duration at .050" tappet lift (intake/exhaust) is 196/206 and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 431/451. Valve lash is zero/zero and lobe centerline is 109 degrees. Will work with installed springs on Ramjet 350, HT383 and Vortec L31 heads. Other applications may require springs to be upgraded, recommended springs are 809-10212811 or sprint kit 809-19154761.

  This camshaft is a great upgrade for 1996-2000 Chevy/GMC trucks equipped with the L31 Vortec 350 Engine. This cam is great for additional bottom end torque. If installed in one of these trucks, a custom computer re-program is needed.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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