ZF S6-40

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ZF S6-40 is a manual gearbox from ZF. The Society has 2 vehicles on file with it, 2 with a source we opened and 0 still leads.

Chevrolet

Vehicle	Years	Shift pattern	Gearbox source	Members
Chevrolet Corvette C4 Manual cars incl. ZR-1 (from 1990), six-speed with CAGS skip-shift ^[1]	1989-1992	6 speed, reverse bottom right	Corroborated
Chevrolet Corvette C4 Manual cars incl. ZR-1 (to 1995), LT4 and Grand Sport (1996); six-speed with CAGS skip-shift ^[2]	1993-1996	6 speed, reverse bottom right	Corroborated

Gearbox maker list. ZF letter of 12 July 2000 reproduced by Corvette Action Center: "All S6-40 transmissions installed in the C4 Corvette contain 100% helical gears"; article covers 1989-1996 cars. [link]
Gearbox maker list. ZF letter of 12 July 2000 reproduced by Corvette Action Center: "All S6-40 transmissions installed in the C4 Corvette contain 100% helical gears"; article covers 1989-1996 cars. [link]

Categories: Gearboxes | ZF

This page was last edited on November 11, 2026. Gearbox codes change by year, engine and market. Send a correction.