How much does it cost to LS swap a Jeep TJ?
Parts we've sourced so far for the Wrangler TJ / LJ (2026 retail prices; not a complete total):
- Novak KIT-LS-TJ-A-1 TJ LS kit, 4L60E, Foundation (5 parts) ($1,343)
- Novak KIT-LS-TJ-M-1 TJ LS kit, AX15 manual, Foundation (15 parts) ($2,913)
- Novak KIT-LS-TJ-A-2 TJ LS kit, 4L60E, Essential (18 parts) ($3,993) (optional)
- Novak KIT-LS-TJ-A-3 TJ LS kit, 4L60E, Complete (23 parts) ($4,723) (optional)
- Novak KIT-LS-TJ-M-2 TJ LS kit, AX15, Essential (25 parts) ($5,291) (optional)
- Novak KIT-LS-TJ-M-3 TJ LS kit, AX15, Complete (31 parts) ($8,170) (optional)
Required items listed above total about $4,256. On top of this you'll need the engine itself (junkyard or crate), wiring/ECU and tuning, fuel system, cooling and exhaust as applicable. See 'How much does an LS swap cost?' for typical ranges of each.
Confidence: medium — sources disagree or are limited; check the sources below.
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Sources
- Jeep TJ Wrangler LS Swap Kit — Novak Conversions