aFe Silver Bullet Throttle Body Spacers TBS Ford Ranger/Explorer SporTrac 01-09 V6-4.0L 2021-jeep-wrangler-unlimited-high-altitude-esi1400624 Drop in replacement for 2016-up

Drop in replacement for 2016-up Polaris RZR XP Turbo

ACL AMC Jeep 6 232-241-258 1964-90 Engine Crankshaft Main Bearing Set

Manifold Body Spacers offer thermal insulation between the cylinder head and the intake plenum – keeps the air in the intake cooler and denser

increase in flow over stock

aFe Silver Bullet Throttle Body Spacers TBS Ford Ranger/Explorer SporTrac 01-09 V6-4.0L 2021-jeep-wrangler-unlimited-high-altitude-esi1400624 Drop in replacement for 2016-upSilver 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.