Alright, LS swap enthusiasts – listen up! If you're mixing and matching parts for your project, these ICT Billet adapter plates are exactly what you need. They let you pair any rectangle port cylinder head (like an LS3) with any cathedral port intake manifold, supercharger, or blower. No more compatibility headaches! Made right here in the USA from solid 6061-T6 billet aluminum, these adapters are tough, precise, and built to last. Each kit includes two 1/2-inch thick adapter plates and 8 O-ring seals for a solid, leak-free seal. Whether you're working on a car, truck, or something wild, ICT has you covered. Need bolts? They've got the right lengths for factory GM superchargers, car intakes, or truck manifolds – just check their other listings. ICT Billet is all about making your LS swap easier, more affordable, and totally reliable. They design everything in-house, laser-scan vehicles for perfect fitment, and use premium U.S.-made materials whenever possible. These aren't some sketchy knock-offs; they're SEMA-approved quality from a brand that lives and breathes LS engines. So if you're building, upgrading, or just making things work, these adapters are a must-have. Trust us, your engine bay will thank you. Get yours and keep your project moving forward!