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The charts below list these by finish and also their sizes and recommended CFM
includes two 1/2" NPT oil return bosses
Attached to the carbon fiber tube is a massive 4" cast aluminum inlet which is organically shaped to retain the largest possible cross-sectional area within the pipe all the way to the inlet of the turbocharger's compressor cover
OEM - YC3Z-2268-AA
BILLET 105mm LS Throttle Body w/straight bore - 112-583 tunnel-ram-intake-manifolds The charts below list theseOverview: Holley's BILLET LS Throttle Bodies are the BIGGEST BORE MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a huge 105 millimeter bore for when WOT is all that matters. Innovative features like Idle Bleed Adjustment, TPS CLOCKER, and closable PCV Passage Valve, make them the ultimate throttle bodies for ease of installation and tuning. Regardless
