Vibrant Vanjen Aluminum Weld Fittings for 4in OD Tubing (for use with part #12568) - Sold In Pairs Forced Induction>Turbo Install Kits GMC: Sierra 2500 HD Classic

GMC: Sierra 2500 HD Classic 07 - 07 6 L Engine

The improvements don

Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while el iminating the annoying whistle found in other helix only throttle spacers

corrosion resistant stainless-steel construction

Vibrant Vanjen Aluminum Weld Fittings for 4in OD Tubing (for use with part #12568) - Sold In Pairs Forced Induction>Turbo Install Kits GMC: Sierra 2500 HD ClassicVibrant Performance HD Clamp Weld Ferrules are available in 6061 Aluminum, 304 Stainless Steel and now also available in CP2 Grade Titanium. Each Weld Ferrule includes an O Ring Seal.