Why it stands out
Matched left/right replacement geometry for M3 setups.
NSP Accessories
NSP FCS M3 Side Fin Set (L+R)
A black M3 left-and-right side-fin replacement set for compatible FCS-style fin boxes.
Check with the team for availability.
Next step
Product Enquiry
Confirm compatibility where relevant, current availability and price before payment.
- Best for
- Replacing M3 side fins without buying a complete three-fin set.
Decision support
Why consider this product?
Who it suits
Replacing M3 side fins without buying a complete three-fin set.
What to know before you choose it.
A black left-and-right M3 side-fin replacement set for compatible FCS-style fin boxes.
- Side-fin depth: 112.5 mm.
- Side-fin base: 101.8 mm.
- Set includes left and right fins only.
Confirm fin-box compatibility before ordering.
Before you enquire
Construction, inclusions and practical guidance.
Two fins: one left and one right.
This is a two-fin side set, not a complete thruster set. Confirm the required box and fin geometry before ordering.
Current price, compatibility, availability and delivery timing must be confirmed by ThunderMonkey before payment.
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