Features: Fit under stock hood Polished finish creates high impact under-hood styling 3mm (1/8") thick aluminum construction for maximum durability 90mm throttle bore opening for increased air flow 100% TIG welded for strength and durability Includes 3/8" Fuel rail kits Intake runners with tapered top is designed to increase air velocity and more evenly distribute airflow to all 8 cylinders improving performance and throttle response Product includes all gaskets and hardware for a hassle-free installation Package Content: 1* intake manifold 1* Fuel rail kit some fittings and hardwares .