aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) Fans you should check to see

you should check to see if it clips to a nut or to the knob itself

NRG Floor Mats - 89-98 Nissan 240SX (240SX Logo) - 2pc

BLOX Honda S2000 Racing Front 20mm Thick Spacer Bump Steer Kit - Black (Lowered 1in and more)

Torque Solution Shifter Cable Bushings: Mitsubishi Evolution VII-IX 2001-06

in both round and oval

aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) Fans you should check to seeSilver 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. This