aFe Silver Bullet Throttle Body Spacer for VQ37 Serrated/Helix Design Kit

aFe Silver Bullet Throttle Body Spacer for VQ37 — Serrated/Helix Design Kit Upgrade low-end power, torque and throttle response with the aFe Silver Bullet Throttle Body Spacer designed specifically for VQ37 engines. This dual-spacer kit fits the VQ's twin throttle bodies and delivers measurable gains without complex tuning. Serrated/Helix airflow technology — Combined serrated and helix patterns generate controlled air turbulence in the intake manifold, increasing intake pressure and improving combustion efficiency while reducing intake whistle common to helix-only designs (US PAT 07055513). Precision 6061-T6 billet aluminum — Machined for strength, light weight and a perfect fit and finish that resists wear and heat. Simple bolt-on installation — Uses all factory mounting points and includes gaskets for a secure, hassle-free install with no permanent modifications required. Dual-spacer kit — Supplied as a pair to match the VQ37’s dual throttle body configuration. Ideal for street-driven and performance-oriented VQ37 owners who want improved low-end torque, crisper throttle feel and quieter intake operation. Retains factory reliability while delivering a sporty, efficient power improvement.