LS Rectangle Port Cylinder Head to Cathedral Intake Adapters

SKU: B8-551317
Ls Rectangle Port Cylinder Head To Cathedral Intake Adapters Manifold Adapter/Spacer
Ls Rectangle Port Cylinder Head To Cathedral Intake Adapters Manifold Adapter/Spacer
Ls Rectangle Port Cylinder Head To Cathedral Intake Adapters Manifold Adapter/Spacer
Ls Rectangle Port Cylinder Head To Cathedral Intake Adapters Manifold Adapter/Spacer
Ls Rectangle Port Cylinder Head To Cathedral Intake Adapters Manifold Adapter/Spacer
Ls Rectangle Port Cylinder Head To Cathedral Intake Adapters Manifold Adapter/Spacer

LS Rectangle Port Cylinder Head to Cathedral Intake Adapters

SKU: B8-551317
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  • Low stock - 2 items left
  • Ready to ship June 20, 2025
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Description
Rectangle Port Cylinder Head to Cathedral Port Intake     Can ONLY be used with LS rectangle port cylinder heads  Will not fit raised port LS7 cylinder heads  
  • Compatible with ANY rectangle port head and bolts to ANY cathedral port intake manifold, supercharger or blower
  • Uses factory inlet manifold gaskets.
  • Package Includes: 2 adapter plates (1/2" thick) with 8 O-ring seals
  • Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
       Intake manifold bolt lengths required when used with
  1. Factory GM LSA supercharger (M6 x 70mm) use ICT part # 551400 
  2. Car intake manifold (M6 x 130mm)  use ICT part # BOLTM6-130X10
  3. Truck intake manifold (M6 x 90mm)  use ICT part # BOLTM6-90X10

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