Hydraulic Roller Camshaft
• Big Block Chevy
• 502/502 special engine
  
  This steel roller is for 502/502 special engines. (Must use distributor gear 809-10456413.) The duration at .050" tappet lift (intake/exhaust) is 224/234; and maximum lift with 1.7:1 rocker ratio (intake/exhaust) is 527/544. Valve lash is zero/zero and lobe centerline is 110 degrees.

  Technical Notes: Distributor P/N 1104067 or melonized distributor gear 809-10456413 must be used on all crate engines with steel camshafts.

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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