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Roto-Fab Big Gulp Throttle Body Reducers

1.0 out of 5 stars 1 Customer Reviews

Mate your air intake and throttle body with Roto-Fab Big Gulp throttle body reducers. The Big Gulp is recommended for a 102mm, 103mm throttle body or larger for optimum performance. These sleeves are designed to be used with a throttle body of 3.850 in. to 4 in. and install directly on the throttle body, acting as a spacer for clamping the Big Gulp coupler.

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Roto-Fab Big Gulp Throttle Body Reducers 10143049

Big gulp stock throttle body adapter

Part Number: RFC-10143049

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

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