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500” (351w) deck heights and a choice of 4
240” deck height
• Standard 9
The video below shows one of these 370ci shortblocks pushing out 1
Holley Billet 90MM LS Throttle Body with Low RPM Taper Short Blocks 500” (351w) deck heights andHolley's BILLET LS Throttle Bodies are the MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! The 112 589 throttle body features a 90 millimeter bore and a low RPM drive friendly taper. 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 of whether you