3/8" Tube 90 Deg Male -6 an Silver Swivel Nut With Olive Ties Plenum is designed to be

Plenum is designed to be compatible with 4 inch tubing

Bare Big Block Chev 396-454 320cc Aluminium Cylinder Heads with 120cc Chamber (Pair)

further increasing the intercooler's cooling effect

This bare Nitro shifter assembly is specifically sold with no billet outer casing to fit into late model consoles or tight-fitting areas

3/8" Tube 90 Deg Male -6 an Silver Swivel Nut With Olive Ties Plenum is designed to bePart Number: AF137 06S Aeroflow performance offers the best solution for transition from hard tube line to an thread fast and simple. Tube fittings come inall different sizes and angles to meet most applications. The unique design brass olives are designed to slide over the hard line and crush between the fitting and b nut and screwed together creating a crushed seal. This design provides quick assembly and easy alignment on the final application.