3921147 GM 4-Speed Shift Knob – 3/8-16 COPO Camaro SS Chevelle 1969 1970

# Classic GM-Style 4-Speed Shift Knob – 3/8-16 – STL, Fusion 360 & STEP 3D-printable replacement-style shift knob designed to recreate the classic appearance of vintage GM 4-speed manual transmission knobs. Features the traditional 4-speed shift pattern with reverse in the upper-left position, a rounded ball profile, and a detailed underside with a circular mounting boss and molded-style "G" marking. **Design Features** - Classic black-ball shift knob appearance - Engraved-style 4-speed shift p…

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