Custom Aluminum Metal-Printed Holley High Ram Plenum Lids Single or Dual Throttle Body • Custom TB Angles • Custom Logos • Ultra Low / Mid / Tall Options Bring your Holley High Ram to the next level with a fully custom, 100% aluminum metal-printed plenum lid engineered for strength, airflow, and unlimited personalization. These aren’t plastic lids — these are full-metal, motorsport-grade components built for serious power. --- Key Features 100% Aluminum Metal Printing Full DMLS (Direct Metal Laser Sintered) construction High-temperature, high-boost safe Extremely rigid and lightweight Zero warping, zero swelling, zero compromises This is the closest you can get to billet… without the billet price. --- Single or Dual Throttle Body Options Compatible with all major throttle body patterns: 80mm / 90mm Coyote GT350 87mm / 90mm CobraJet Monoblade GM 90 / 102 / 103 / 105mm Nick Williams 112mm…and more. Custom throttle-body angle options available for hood clearance, charge-pipe routing, or special turbo/supercharger layouts. --- Optional Burst Panel Port For extreme boost setups needing additional protection. --- Custom Logos & Styling Perfect for shops, race teams, or one-off personal builds: Engraved custom logos Signature patterns Text or branding(Wholesale accounts receive custom logo work at no extra charge.) --- Height Options Choose the plenum profile that fits your build: Ultra Low – Max hood clearance Mid Height – Ideal balance of power and space Tall – Maximum plenum volume + top-end horsepower --- Why G1Pro Plenum Lids? True motorsport-grade aluminum construction Better airflow distribution Boost-safe structure with internal ribbing OEM-grade sealing surfaces Built-to-order for your setup Designed, tested, and optimized in-house --- Lead Time 14–18 days depending on customization level. --- Upgrade your High Ram with a lid engineered specifically around your build, your throttle body, and your airflow goals. Add to Cart or DM for custom builds.
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