LSX LS3 Performance Cylinder Head -19354243

£1,440.00 £870.00
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22.23 (cm)
15.88 (cm)
53.34 (cm)
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All LSX heads are made of 356-T6 aluminium and feature a 5/8'' thick deck that allows plenty of room for builder-specified combinations.

Additional features include:

  • Uses 11mm (10) and 8mm (13) head bolts
  • Accommodates production valvetrain components (except for Drag Race and Circle Track heads)
  • Includes premium beehive-type valve springs (except for Drag Race and Circle Track heads)
  • Extra material cast in the port areas to accommodate professional porting
  • Valve guides for 8mm valve stems, except DR & CT Racing-specific LSX-DR (Drag Racing) and LSX-CT (Circle-Track) heads feature raised runner designs and other unique features designed to maximize performance at the track. LSX-LS3 Cylinder Head
  • L92 style rectangle port design
  • Assembled with 2.165'' hollow stem intake and 1.590'' solid stem exhaust valves
  • Minimum 4.000'' bore
  • 260cc ''as-cast'' intake ports, 80cc ''as-cast'' exhaust ports
  • 70cc ''as-cast'' combustion chambers
  • Uses LS3 rocker arms/LS7 bolts