These adapters bolt your Cadillac STS-V M122 supercharger to LS cathedral port engines. NOT designed for rectangular ports or LT engines.
Upgrade your LS engine swap with our Billet Aluminum Adapters, specifically designed to mount the Cadillac STS-V M122 supercharger onto LS cathedral port cylinder heads. Engineered for precision and performance, these adapters ensure equal-length intake ports for optimized airflow and power distribution.
Key Features & Benefits:
Direct Fit for Cadillac STS-V M122 Supercharger – Designed for LS cathedral port engines
Precision-Machined Billet 6061 T651 Aluminum – Lightweight, strong, and built to last
Optimal Supercharger Alignment – Ensures balanced airflow for maximum efficiency
High-Temp O-Ring Seals Included – Provides leak-free performance
Easy Installation with Included Hardware – No modifications needed
What’s Included:
(1) Pair of Billet Aluminum Adapters – CNC-machined for a perfect fit
(8) Supercharger Side O-Ring Seals – Ensures an airtight connection
(8) Head Face O-Ring Seals – High-temp resistant for durability
(10) M6 Socket Head Bolts – Securely mounts adapters to the heads
(10) M8 Socket Head Bolts – Attaches supercharger to adapters
Additional Items Needed (NOT INCLUDED):
LSA Accessory/Pulley Setup (if upgrading to an 8-rib drive system)
Supercharger Cooling System (heat exchanger, coolant pump, reservoir, coolant lines)
Compatibility & Fitment Notice:
Designed for LS Cathedral Port Engines Only – Not compatible with rectangular port or LT engines
Supercharger Lid Clearance – Measures 13.75" from the galley cover (verify fitment before purchasing)
Why Choose Our Billet Adapters?
Our precision-machined billet aluminum adapters allow you to take full advantage of the M122 supercharger in your LS swap build, ensuring a perfect seal, optimal airflow, and long-term durability.
PLEASE CHECK FITMENT IN YOUR VEHICLE WITH THIS SUPERCHARGER. The top of the supercharger lid will be 13.75" from the galley cover.
