aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L 2024-ford-bronco-wildtrak-esi8745988 ACL Isuzu 4 1817cc 1972-75

ACL Isuzu 4 1817cc 1972-75 Cam Bearings

Advan RG-D2 17x7

Up to 8% increase in flow

better maintaining pump RPM and flow

Multi-Input Controller allows for preference of connection for triggering

aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L 2024-ford-bronco-wildtrak-esi8745988 ACL Isuzu 4 1817cc 1972-75Silver 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.