
OS Giken · New
OS Giken Mazda RX7 FD3S 13BT 5 Speed Close Ratio Gear Kit w/ Input Shaft
MPN MZ121-GC · Store SKU osgMZ121-GC
Supplier stock checked 11/7/2026, 3:10:15 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
OS Giken Mazda RX7 FD3S 13BT 5 Speed Close Ratio Gear Kit w/ Input Shaft
Manufacturer fitment & guides
Check MZ121-GC against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
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