K24A2 engine and 6-speed (K-swap)
into Accord (from TSX)

CL9 TSX 2004-2008
→
CB Accord 1990-1993

Yes: the K24A2 engine and 6-speed (K-swap) from the TSX (2004-2008) fits the Accord (1990-1993) — difficult difficulty, modifications required.

Verdict
Fits.
Verified entry · modifications required
Verified ✓
Difficulty
Difficult
Mods
Required
Category
Engine

Installation notes

Yes — the K24A2 and 6-speed from a 2004-2008 Acura TSX (CL9) fits a 1990-1993 Honda Accord (CB) with a Hasport CB1K4 or Innovative Mounts 99352 mount kit after some engine bay modification. Hasport's dual-height design keeps the cylinder head in the same position whether a K20 or K24 is used. Innovative lists its kit for all K-series engines and both manual and automatic CB cars, provided the RSX post mount is used. The CB Accord was designed for the larger F22 four-cylinder, so the K24 suits the bay well.
ModsMods req.

Required modifications

Swap mounts: Hasport CBK kit — CB1K2 (RSX/02-11 Civic Si transmissions), CB1K4 (03-07 Accord/04-08 TSX transmissions), CB1K5 (08-13 Accord/09-14 TSX/12-15 Civic Si) or CB1KAWD (K-series CR-V/Element transmissions); Hasport says some engine bay modification is needed. Alternative: Innovative Mounts 99352 kit for manual or automatic CB chassis, which requires the 02-06 RSX K-series timing-belt-side post mount, Acura part 11910-PNA-000. Axles: Hasport HP-CBKAX K-swap axles (for CBK mounts with the Accord/TSX intermediate shaft). Also needed: engine harness and ECU solution, shifter linkage/cables, cooling and exhaust.

Caution

Important caveats

  • Hasport states engine bay modifications are required before the CBK kit bolts in.
  • Innovative's kit needs the RSX K-series post mount (11910-PNA-000), which is not included.
  • Choose the Hasport kit variant to match the transmission; the mounts differ by gearbox family.
  • Neither vendor page specifies wiring for the CB chassis; expect a custom or adapted harness.

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Reference

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Sources

4 refs
  1. 01 https://hasportperformance.com/products/cbk-k-series-mount-kit/
  2. 02 https://innovativemounts.com/products/90-93-accord-conversion-engine-mount-kit-k-series-manual-auto
  3. 03 https://www.hybrid-racing.com/products/innovative-mounts-90-93-accord-k-swap-steel-mounts
  4. 04 https://hasportperformance.com/products/hp-cbkax/
Submitted by FitMyBuild research Added Updated

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