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K-Series Swap Mount Kit for 88-91 Civic/CRX (**REPLACES EFK1**)

Performance mount kit for K-series engine swaps into the 88-91 Civic and CRX. This kit uses Hasport’s dual height mount system and patented flip mount. The K20 will fit under the stock hood using the lower setting. For maximum ground clearance use the high setting on the K20 with an SiR style hood like the one made by Carbon Trends available in through Hush Performance. The K24 will also sit under the Carbon Trends hood but on the lower setting.

  • The EFK2 mount kit works with the RSX and 02-11 Civic Si manual transmissions.
  • The EFK4 mount kit works with the 03-07 Accord and 04-08 TSX manual transmission
  • The EFK5 mount kit works with the 08-13 Accord, 09-14 TSX and 12-15 Civic Si manual transmission
  • The EFK5 mount kit also works with the K-series CRV and Element AWD or FWD manual transmission

Like All Hasport Mount Kits, it?s designed using sophisticated CAD/CAM software. This kit features:

  • Optimized engine placement for best axle alignment, ground and hood clearance.
  • Designed blending strength and style with a lifetime warranty for worry free use.
  • Four different bushing durometers for applications ranging from daily driver to 8 second drag car.
  • Hasport?s superior customer service.

Hasport also has these products available for this swap.

  • Wiring conversions
  • ECU modifications
  • Axles

The EFK kits require cutting and welding. For more information call or email


Weight 25 lbs
Dimensions 12 × 10 × 8 in
Choose Bushing Stiffness

U62A (Street), U70A (Race), U88A (Extreme Race), U94A (Most Extreme Race)

Choose Transmission Compatibility

EFK2 – RSX/02-11 Civic Si manual, EFK4 – 03-07 Accord/04-08 TSX, EFK5 – AWD/12-15 Civic Si