Stage 2 Upgrades

All items below are recommended and have been tested by the W-BodyTech team

1997-2008 L67/L32 3800 SC Upgrades

  • Head gaskets
    1. Right / Front MAHLE 5934 Graphite
    2. Left / Rear MAHLE 5935 Graphite
    3. Cometic MLS Head Gaskets
  • Head Bolts
    1. GM GENUINE 88891770
    2. MAHLE GS33363
    3. ENGINETECH HB141
    4. VICTOR REINZ 141006401
    5. ARP GM Series II/III 3800 Head Stud Kit HSK-671
  • Intake gasket
    1. ACDelco GM 89017825
  • L67 SuperCharger Gasket
    1. MAHLE MS16355
    2. VICTOR REINZ 151029001
  • L32 SuperCharger Gasket
    1. VICTOR REINZ 151032201
    2. ACDelco Missing Part Number
  • Lifters
    1. Melling JB-2270
    2. Chevrolet Performance 12499225
    3. COMP Cams High Energy CCA-850-16
    4. COMP Cams Pro Magnum CCA-875-16
    5. ACDelco 12698945
    6. Delphi 25341990
    7. Others Coming Soon (NOT ZZP)
  • Water Pump
    1. ACDelco Professional 252-693
  • Water Pump Gasket
    1. FEL-PRO 35804

 

1997-2008 L36/L26 3800 NA Upgrades

  • Head gaskets
    1. Right / Front MAHLE 5912 Graphite
    2. Left / Rear MAHLE 5913 Graphite
    3. Cometic MLS Head Gaskets
  • Head Bolts
    1. GM GENUINE 88891770
    2. MAHLE GS33363
    3. ENGINETECH HB141
    4. VICTOR REINZ 141006401
    5. ARP GM Series II/III 3800 Head Stud Kit HSK-671
  • Intake gasket
    1. ACDelco GM 89017825
  • L36 Plenum Gasket
    1. GM GENUINE 12573662
    2. VICTOR REINZ 151028301
    3. MAHLE MS16206
  • L26 Plenum Gasket
    1. GM GENUINE 12573662
    2. VICTOR REINZ 151033901
    3. MAHLE MS16206
  • Lifters
    1. Melling JB-2270
    2. Chevrolet Performance 12499225
    3. COMP Cams High Energy CCA-850-16
    4. COMP Cams Pro Magnum CCA-875-16
    5. ACDelco 12698945
    6. Delphi 25341990
    7. Others Coming Soon (NOT ZZP)
  • Water Pump
    1. ACDelco Professional 252-693
  • Water Pump Gasket
    1. FEL-PRO 35804