How to LS swap a RX-7: parts list and steps
Mazda RX-7 (1979–2002) LS swap: parts and gotchas from our sourced guides.
Mazda RX-7 FD3S LS3 swap: Sikky Stage 3 package (includes wiring harness); T56/T56 Magnum; also offered for LS1.
Swap kit: Sikky Stage 3 FD LS3 Stage 3 RX-7 FD3S LS3 package w/ wiring harness ($4,384.91)
Watch out for: Sikky transmission options per chassis: T56, T56 Magnum, TR6060 (and CD009 on some); the mount part number changes with the transmission. Driveshafts are for 4-bolt diff flanges; ABS vs non-ABS and steel vs aluminum change the part/price. Power-steering add-on kits: LS1/LS2 (PS104) or LS3 (PS104A).
See our engine, oil pan, transmission and wiring guides for choosing the rest of the combination.
Confidence: medium — sources disagree or are limited; check the sources below.
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