ICT Billet - Intake Port Adapter Cathedral Head to LS3

The ICT Billet Intake Port Adapter Cathedral Head to LS3 is a precision-engineered solution for adapting LS cathedral port cylinder heads to LS3 rectangle port intake manifolds. Crafted from aerospace-grade 6061-T6 billet aluminum, this adapter ensures durability and optimal performance. The kit includes two 1/2-inch thick adapter plates, high-quality O-rings, and 70mm bolts with sealing washers, facilitating a straightforward installation process. Please note, this adapter is compatible exclusively with cathedral port cylinder heads and will not fit raised port LS7 intakes. Some intake manifolds may require modification of the alignment pin to sit flush on adapters. Made in Wichita, Kansas, USA.