How much does it cost to LS swap a boat?
We haven't sourced enough marine parts pricing to quote a total. It depends heavily on the drive (outdrive, V-drive or jet) and on whether you buy a pre-marinized LS or convert one.
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The line items to budget, from the builds and suppliers we've looked at:
- the engine;
- a marine carburetor or EFI system, plus an ignition controller;
- a marine exhaust (economical LS boat headers are hard to find);
- a marine accessory drive and cooling system;
- engine mounts;
- a flywheel/coupler for your drive.
Hardin Marine sells LS-specific versions of most of these. Use the swap cost estimator to total your quotes.