Rectangle Port Cams

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Rectangle Port R1:

  • .610”/.612” Valve Lift w/ 1.7 Rocker
  • 223/234 Duration @ .050”
  • 113LSA + 4* Advance
  • 1800-2200 Stall Recommended
  • Mild Chop

Rectangle Port R2:

  • .615”/.615” Valve Lift w/ 1.7 Rocker
  • 229/242 Duration @ .050”
  • 112LSA + 4* Advance
  • 2400-2800 Stall Recommended
  • Moderate Chop

Rectangle Port R3:

  • .618”/.615” Valve Lift w/ 1.7 Rocker
  • 233/250 Duration @ .050”
  • 113LSA + 5* Advance
  • 3400+ Stall Recommended
  • MAX Duration for Stock Pistons w/ Unmilled Heads
  • Very Aggressive Chop

Rectangle Port R4 Stroker:

  • .624”/.615” Valve Lift w/ 1.7 Rocker
  • 245/256 Duration @ .050”
  • 113LSA + 5* Advance
  • 3400+ Stall Recommended
  • Requires Aftermarket Pistons
  • Maximum Aggression Chop

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