Not sure which 1999 Chevy C/K 3500 Throttle Body Spacers are right for you? We have over 1486 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"Easy install by my mechanic . Fit perfectly , in talking w/others they
mentioned whistling noises . I did not experience any of that .
Pluses - I picked up 1 or 2 mpg's. In power I lost the power drop when I turned on the A C .
It hasn't been in long enough to get more accurate info . But , I will send more later on . Paradise Kid" —Bill D from Bedford, VA bought a Jet Power-Flow TBI Spacer for a 1999 Chevy C/K 3500, C/K Pickup, 7.4L V8, 8th digit of VIN = J.