LS Rectangle Port Cylinder Head to Cathedral Intake Adapters

  • Sale
  • Regular price $349.95
  • Will be in stock after April 23, 2021
Tax included.

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
  • 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