LS Rectangle Port Cylinder Head to Cathedral Intake Adapters

Rectangle Port Cylinder Head to Cathedral Port Intake

*** Some intake manifolds will require modification of alignment pin to sit flush on adapters***

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
• You will use the factory intake manifold gaskets
• Package Includes: 2 adapter plates (1/2" thick) with 8 O-ring seals
• Made in Wichita, Kansas from 6061-T6 USA produced billet aluminum
  

Intake manifold bolt lengths required when used with:

1. Car intake manifold (M6 x 130mm) use Bolt Kit
2. Truck intake manifold (M6 x 90mm) use Bolt Kit

See our other listing for reverse adapters 

Helpful Links

• Replacement -229 oring