JEGS 1506K Cylinder Head Kit Includes:

• (2) AFR - Airflow Research 1506 Fully Assembled Enforcer Cylinder Heads 1506
  • GM LS 1 Small Bore 5.3L
  • 210 cc Intake Port Volume
  • 64 cc Combustion Chamber
  • 15 Degree Valve Angle
  • A356 Aluminum
• (2) Multilayer Steel (MLS) Head Gaskets 555-210013
• GM Gen III/IV LS Engines
• Bore: 3.945 in.
• Compressed Thickness: 0.040 in.
• Type: MLS
• (1) JEGS Cylinder Head Stud Kit 555-83422
• GM Gen IV/LS Engines
• 2004-2014 4.8L, 5.3L, 6.0L and 6.2L
• Includes:
  • Studs
  • Flat Washers
  • 12-Point Nuts
  • Tube of Assembly Lube

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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