K20A2 engine and 6-speed transmission
into Integra (DA) (from RSX Type-S)

DC5 RSX Type-S 2002-2004
→
DA Integra (DA) 1990-1993

Yes: the K20A2 engine and 6-speed transmission from the RSX Type-S (2002-2004) fits the Integra (DA) (1990-1993) — difficult difficulty, modifications required.

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

Installation notes

Yes — the K20A2 engine and 6-speed transmission from a 2002-2004 RSX Type-S (DC5) fits a 1990-1993 Integra (DA) with a DA K-series mount kit, a cable-to-hydraulic clutch conversion and K-swap wiring. Hasport sells separate DA1 and DA2 versions of its kit depending on whether the car is a 90-91/92-93 GS-R or a 92-93 non-GS-R. Innovative sells matching 99351 and 99350 kits and states the transmission bracket requires welding. Hasport's dual-height system lets a K24 block sit with the head in the same place as a K20.
ModsMods req.

Required modifications

Engine mounts: a DA K-series kit. Hasport DA1K2 (90-91 Integra and 92-93 GS-R) or DA2K2 (92-93 non-GS-R) for RSX/02-11 Civic Si transmissions; Innovative 99351 (DA9 and 92-93 GS-R) or 99350 (92-93 non-GS-R). Innovative's transmission-side bracket only works with 2002+ Civic Si, RSX or Integra manual transmissions, and its self-locating bracket must be welded to the frame. Clutch: the DA is a cable-clutch chassis and the K-series gearbox is hydraulic; Innovative recommends its B/D/H/K cable-to-hydraulic actuator. A K24 block needs Honda engine bracket 11910-PPA-000 for the right-side mount. Also plan wiring/ECU, axles, shifter cables and cooling for the K-series.

Caution

Important caveats

  • Mount kits differ between the 90-91/92-93 GS-R and the 92-93 non-GS-R Integra; order by your exact car.
  • Both kits involve welding: Hasport says its DA1K kit requires cutting and welding, and Innovative says its self-locating transmission bracket must be welded to the frame.
  • The DA has a cable clutch, so the hydraulic K-series transmission needs a cable-to-hydraulic actuator or a hydraulic pedal setup.
  • Innovative describes the 92-93 non-GS-R DA9 as originally using a B18B, while Wikipedia lists the US 1992-1993 non-GS-R engine as the B18A1.

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Reference

K20A specs → K24A specs → K20Z4 specs → LEB-H5 specs → K24A3 specs → K20Z2 specs → B18A1 specs → K24A8 specs → K24A4 specs → K24W1 specs → K20Z3 specs → K24Z7 specs → K24Z3 specs → K24Z2 specs → K24A2 specs → K24A1 specs → K20A3 specs → B18B1 specs → K20Z1 specs → K20A2 specs → B18C2 specs → B18C7 specs → EA specs → ED specs → EE specs → EG specs → EL specs → EM specs → EN specs → EP specs → ER specs → ES specs → ET specs → K20A1 specs → K20A4 specs → K20A6 specs → K20A7 specs → K20A9 specs → K20B specs → K20Z5 specs → K24V5 specs → K24V7 specs → K24W specs → K24W4 specs → K24W7 specs → K24W9 specs → K24Y1 specs → K24Y2 specs → K24Z1 specs → K24Z4 specs → K24Z5 specs → K24Z6 specs → PRB-A00 Cylinder Head →

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Sources

4 refs
  1. 01 https://hasportperformance.com/products/dak/
  2. 02 https://www.hybrid-racing.com/products/hasport-k-series-swap-mount-kit-90-93-integra
  3. 03 https://innovativemounts.com/products/90-91-integra-92-93-integra-gs-r-conversion-mount-kit-k-series-manual-auto-to-manual
  4. 04 https://innovativemounts.com/products/92-93-integra-non-gsr-conversion-mount-kit-k-series-manual-auto-to-manual
Submitted by FitMyBuild research Added Updated

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