BILLET 105mm LS Throttle Body w/straight bore 1999 Pontiac Firebird 78-88 GM G-Body

78-88 GM G-Body

This 1" Phenolic adapter allows the Holley 2BBL carb #R4412 to be installed on a stock GM 2 bbl intake manifold

as well as 11 points style terminals

NOTE: Not compatible with Sierra AT4X or Silverado ZR2 Edition

which causes the spring to load and unload

BILLET 105mm LS Throttle Body w/straight bore 1999 Pontiac Firebird 78-88 GM G-BodyHolley'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 of