aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L 5x114.3 Pin-fin heatsink design

Pin-fin heatsink design

especially the vulnerable #3 injector

mandrel bent aluminum and hi-temp silicone connection hoses

44139SA000

Once you've finished using the aluminum Folding Ladder keep the dirt outside your vehicle by fixing it to your Pioneer Roof System

aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L 5x114.3 Pin-fin heatsink designSilver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. 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 eliminating the annoying whistle found in other helix only throttle spacers.