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    Competition Cams Mutha' Thumpr 287TH7 Camshaft for Big Block Chevy

    Part # 11-601-4
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    • Product Details

      Part No. 11-601-4

      Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)

      HYDRAULIC - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

      Product Features:

      • HYDRAULIC - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
      • 287/304 Advertised Duration, 235/249 Duration @ .050", .510"/.495" Lift, 107 Lobe Separation
      • Valve spring upgrade required

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