LS Rectangle Port Cylinder Head to Cathedral Intake Adapters

USD 237.59

Available Options

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

  • Fits 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, KS from 6061-T6, USA 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
See our other listing for reverse adapters

A total of 3 guests made comments

Mason Miller - 2024-03-03

Outstanding delivery time and product quality. The price point is perfect for the value received. Plus, the customer service team is incredibly supportive and attentive.

Noah Rodriguez - 2024-03-03

From the moment of purchase to delivery, everything was flawless. The quality of the product is unmatched. Extremely satisfied!

James Wilson - 2024-03-03

Very satisfied with the purchase. The quality is top-notch and the delivery was speedy. Exceptional customer service too!

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