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Looking for aftermarket parts to modify or upgrade your 1991 GMC K3500 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 K3500.
Whether you have a 1991 GMC K3500 in Sierra to Sierra SLX trim we have you covered. We have 1 throttle body spacers available parts to mod your K3500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 46-34004Silver 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 C/K 1500/2500/3500 87-95 V6-4.3L V8-5.0/5.7L 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1995 GMC K3500 Sierra SLE $138.82 SALE |