aFe Silver Bullet Throttle Body Spacers TBS GM C/K 1500/2500/3500 87-95 V6-4.3L V8-5.0/5.7L 1977-volkswagen-transporter-base-esi1966747 s Pro-Stock 2 or 4-port

s Pro-Stock 2 or 4-port regulators with the new Stackable Regulators

Standard cutouts allow OEM parking sensors to be fully-retained and side panels come with an additional cube light

Direct Fit/No Cutting Or Welding Required

This kit offers remote reservoirs for better off road damping curves without sacrificing any on road comfort or handling

aFe Silver Bullet Throttle Body Spacers TBS GM C/K 1500/2500/3500 87-95 V6-4.3L V8-5.0/5.7L 1977-volkswagen-transporter-base-esi1966747 s Pro-Stock 2 or 4-portSilver 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.