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LS swap tools

Free calculators and finders built on our database. No sign-up.

Filter every LS/LT by size, block, AFM and power; see which vehicles to pull it from.

Filter 131 cams by engine, lift, duration, idle and price, with owner dyno results.

Injector size and pump flow for your power, fuel (gas/E85) and boost.

Find a GM pan by sump position and the depth you can clear.

Identify your accessory drive and what water pump and brackets match.

Build a realistic budget: engine, trans, parts, wiring, fuel and labor.

Will it fit? LS vs Coyote, 2JZ, SBC and more by the numbers.