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The aFe Silver Bullet throttle body spacer for GM C/K 1500 (1996–2000 V6 4.3L) is machined from T‑6061 billet aluminum and uses a serrated helix entry to create beneficial turbulence at the throttle opening. That turbulence helps improve throttle response and air distribution while the design minimizes the common helix whistle, offering a direct-fit enhancement for the specified GM application.
aFe Silver Bullet Throttle Body Spacers TBS GM C/K 1500 96-00 V6-4.3L
