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The Spectre throttle body spacer for 1986–1995 GM 4.3L/5.0L/5.7L applications adds intake volume and a tapered internal constriction to leverage the Venturi effect, increasing intake airspeed. Machined from aluminum, each kit includes gaskets and hardware to bolt directly to factory components for straightforward installation and compatibility with specific vehicle setups.
Spectre 86-95 GM 4.3L/5.0L/5.7L Throttle Body Injection Spacer
