COMP Cams 255/271 GM LS LS1 LS2 LS6 LSR Rectangular Port Complete Roller Cam Kit

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  • $ 1,439.88


Brand New COMP Cams LSR Rectangular Port Hydraulic Roller Complete Camshaft Kit for GM LS GEN III/IV V8 Applications with 3-Bolt CorePart #CK54-475-11. Kit includes: cam, short travel drop-in lifters, dual valve spring kit, double row timing set & pushrods (specific part #'s for kit contents listed below).

Cam Specs & Description:

  • Valve Lash (IN/EX): Hyd / Hyd
  • RPM Range: 2800-7200
  • Advertised Duration (IN/EX): .305" / .321"
  • Duration @ .050" (IN/EX):  .255" / .271"
  • Valve Lift w/1.7 Ratio Roller Rockers (IN/EX):  .624" / .624"
  • LSA: 115°
  • Cam Description: 440+c.i., purpose built applications focusing on power above 6,000 RPM with rectangular port heads.
Kit Components:
  • 54-475-11 (Hyd. Roller Camshaft)
  • 15850-16 (Short Travel Drop-In Hyd. Roller Lifters)
  • 7955-16 (Hi-Tech 7.400" Pushrods)
  • 26926-16 (High Performance GM LS-Series Valve Springs)
  • 1779-16 (Tool Steel Retainers)
  • 623-16 (High Performance GM LS-Series Valve Locks)
  • 511-16 (Viton GM LS-Series Valve Seals)
  • 4695-16 (Spring Seats)
  • 7106 (LS-X Double 9-Keyway Timing Set w/Oil Pump Spacer)