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LS Performance

GM LS Heads #243

$225 each w/ exchange

($150 core)

Includes: All new Valves, Springs, Retainers, Locks, and Seals.

Specifications:

  • 1.29” OD
  • 130 lbs @ 1.800 closed
  • 318 lbs @ 1.200 open
  • 1.120 coil bind
  • .600 max lift