Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 1500 HD with throttle body spacers? At Tunersports.com we carry a huge selection of the top name brand performance throttle body spacer parts and accessories for your Sierra 1500 HD.
Whether you have a 2003 GMC Sierra 1500 HD in SLE to SLT trim we have you covered. We have 1 throttle body spacers available to mod your Sierra 1500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK 46-34001Silver 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 ... aFe Silver Bullet Throttle Body Spacers TBS GM Trucks & SUVs 99-07 V8-4.8/5.3/6.0L (GMT800) 2001-2003 GMC Sierra 1500 HD SLE / SLT $138.82 |