The aFe Silver Bullet throttle body spacer for GM C/K 1500/2500/3500 (1996–2000 V8 5.0/5.7L) is a billet T‑6061 aluminum spacer with a serrated helix entry that promotes improved throttle response and increased air volume. The helix design is tuned to reduce the annoying whistle found in simpler spacers while providing a straightforward fit for the listed GM models.
aFe Silver Bullet Throttle Body Spacers TBS GM C/K 1500/2500/3500 96-00 V8-5.0L 5.7L