NOS C2/C3 Corvette Differential Case - $1,550 (Springfield)

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condition: new

make / manufacturer: GM

model name / number: 3997925

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NOS Corvette Differential Case complete (Posi Traction). GM PN 3997925 (Gr. 5.510). DISCONTINUED. For use with ring and pinion gear sets: 2.73, 3.08, 3.36. 3.55 and 3.70 in 1963 to 1979 cars. In original GM box with all packing materials.

Stored inside a larger box and kept inside.

See current prices online by GM PN only. May negotiate price if can find same GM NOS PN in GM box and in same condition for less.

post id: 7914444756

posted: 2026-02-11 08:49

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NOS C2/C3 Corvette Differential Case - auto parts - by owner -...

NOS Corvette Differential Case complete (Posi Traction). GM PN 3997925 (Gr. 5.510). DISCONTINUED. For use with ring and pinion gear sets: 2.73, 3.08, 3.36. 3.55 and 3.70 in 1963 to 1979 cars. In...