aFe Silver Bullet Throttle Body Spacers TBS Ford Ranger/Explorer SporTrac 01-09 V6-4.0L 2021-jeep-wrangler-unlimited-high-altitude-esi1400624 TS2-XTG4 kit features an Xtreme

TS2-XTG4 kit features an Xtreme pressure plate for the most demanding driver

You can securely mount shovels

ACT's sintered iron race discs offer the highest torque capacity of all ACT race discs and have ultra-high heat capacity

increase in flow over stock

Eibach Pro-Kit performance suspension spring with progressive characteristics

aFe Silver Bullet Throttle Body Spacers TBS Ford Ranger/Explorer SporTrac 01-09 V6-4.0L 2021-jeep-wrangler-unlimited-high-altitude-esi1400624 TS2-XTG4 kit features an XtremeSilver 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.