How to LS swap a S10: parts list and steps

Chevrolet/GMC S10 / Sonoma / Blazer / Jimmy (1982–2004) LS swap: parts and gotchas from our sourced guides.

1982–2004 Chevy S10 / GMC Sonoma (2WD and 4WD) LS swap: PSI catalog of mounts, controller kits, oil pan kits, fuel and radiators for this platform.

Mounts: PSI Conversion 2WD LS S10 Adjustable Conversion Motor Mounts (82–04) ($144.99); PSI Conversion 4WD LS S10 Adjustable Conversion Motor Mounts (82–04)

Wiring/ECU: 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)

Watch out for: 2WD and 4WD use different mount kits (4WD kit much more expensive).

More parts for this vehicle in our catalog (vendor listings, 2026 prices):

• LS A/C and Power Steering Bracket S10 Pump - Truck Spacing (ICT Billet, $300)
• S10 LS Mounting Base Plates (Remote Coil Brackets on Stock Valve Cover) (ICT Billet, $128)
• LS Upper & Lower Radiator Hose Kit - 1982-1993 Chevy S10 (ICT Billet, $100)
• LS Lower Radiator Hose - 1982-1993 Chevy S10 (ICT Billet, $60)
• LS Upper Radiator Hose - 1982-1993 Chevy S10 (ICT Billet, $60)
• 1982-04 2WD Chevy S10/S15/Blazer/Jimmy 1 5/8" Clippster LS1-LS9 Engine Swap Header with Hi-Temp Black Coating (PerTronix, $452.97)
• 1982-04 2WD Chevy S10/S15/Blazer/Jimmy 1 5/8" Clippster LS1-LS9 Engine Swap Header with Metallic Ceramic Coating (PerTronix, $449)
• LS Swap Engine Mount Kit - Chevy S10 2WD (ICT Billet, $300)
• LS Front Motor Plate - Chevy S10 94-05 (ICT Billet, $202)
• LS/LT Engine Mid Plate - Chevy S10 94-05 (ICT Billet, $202)

See our engine, oil pan, transmission and wiring guides for choosing the rest of the combination.