How much does it cost to LS swap a S10?
Expect about $145 in swap-specific parts for an S10 LS swap (2WD version), before the engine. Those are separate versions, not parts to add together: you buy the set for your drivetrain. We have no prices yet for the 4WD version.
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The parts on our list for the S10 / Sonoma / Blazer / Jimmy (2026 retail prices; required unless marked optional):
- PSI Conversion 2WD LS S10 Adjustable Conversion Motor Mounts (82–04) ($144.99)
- PSI Conversion 4WD LS S10 Adjustable Conversion Motor Mounts (82–04) (price not confirmed)
- PSI Conversion 99–07 Gen 3 LS/Vortec (24X) Engine Controller Kit, drive-by-cable, w/ 4L60E-75/4L80E control (standalone harness, MAF, flashed ECM, bracket) ($1,099) (optional)
How the totals add up (required parts only):
- 2WD: 2WD LS S10 Adjustable Conversion Motor Mounts (82–04), $144.99
- 4WD: no priced parts yet
On top of this you'll need the engine (junkyard or crate) and, unless a kit above includes them, the transmission, wiring/ECU and tune, fuel system, cooling and exhaust. The whole-build budget is on the S10 / Sonoma / Blazer / Jimmy swap guide; price your own combination in the swap cost estimator and see how much an LS swap costs for typical ranges of each item.