Hellcat Supercharger to LS Engine Cathedral Port Adapter
* Current back log is approx 4-6 weeks eta for cathedral port adapters, Square port are in stock ready to go.
Hellcat Supercharger to LS Engine Adapter – Precision Engineering for Cathedral Port Applications
Enhance the performance of your LS engine with our Hellcat Supercharger to LS Adapter, a meticulously engineered solution designed for seamless integration of a Hellcat blower onto LS Cathedral Port cylinder heads. Crafted with precision CNC machining, this adapter ensures optimal airflow, structural integrity, and uncompromised forced induction performance.
Items included
- 1 Pair of machined 6061 T651 aluminum adapters
- 8 Supercharger face seal rings
- 8 Head face seal rings
- 10 M6 socket head bolts for attaching to heads
Items you will need which are not included
- Supercharger pulley hub – Designed for use with a GripTec Hellcat 10-rib pulley. Please select the appropriate hub for your specific application.
- GM throttle body adapter flange – Required to retain your existing GM throttle body.
- (Optional) Throttle body wiring harness – Necessary if you intend to use the Hellcat throttle body instead of a GM unit.
- Connector housing: TE Connectivity 1-1419168-1
- Connector pins: 6x TE Connectivity 1924782-1
- Vacuum-actuated bypass valve – A direct replacement for the OEM Dodge bypass valve to ensure proper boost management.
- LSA accessory/pulley setup – Required if you opt for an 8-rib drive system instead of the 10-rib configuration.
- (Optional) Electronic bypass valve controller – If you choose to retain the OEM Dodge bypass valve, an electronic control solution such as Smoothboost will be required for integration and tuning.
- Supercharger cooling system – A complete cooling solution including a heat exchanger, coolant pump, reservoir, and coolant lines is necessary for optimal supercharger operation.
- Oil pressure sender adapter elbow (Gen 4 LS engines) – May be required to prevent fitment interference with the Hellcat supercharger.
Fitment Notice:
Before proceeding with installation, verify clearance within your vehicle. The top of the supercharger lid will sit 13.75 inches above the galley cover. Ensure adequate space for proper fitment.