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Product Details
| Part Number: | EFK2 |
| Brand: | Hasport |
| Position: | Mount Kit |
| Insert Hardness: | 62a |
Make your K-series swap easier with the Hasport EFK2 Performance Engine Mount Kit, engineered specifically for installing a Honda K-series engine into the 1988–1991 Honda Civic and CRX (EF chassis). The EFK2 is designed for use with RSX and 2002–2011 Civic Si manual transmissions.
Hasport's EFK system features a dual-height mount design and patented flip mount, allowing you to optimize engine position for hood clearance, ground clearance, and axle alignment. With a K20, the lower setting allows the engine to fit beneath the stock hood, while the higher position can be used when maximum ground clearance is desired with an appropriate SiR-style hood.
Designed using CAD/CAM technology, the EFK2 provides the strength and precise positioning required for everything from street-driven K-swapped EFs to dedicated race builds.
Features
- Designed for K-series engine swaps into 1988–1991 Honda Civic and CRX
- EFK2 configuration works with RSX and 2002–2011 Civic Si manual transmissions
- Compatible with K20 and K24 engine applications
- Dual-height mounting system provides flexibility when positioning the engine
- Hasport patented flip-mount design
- Optimized engine placement for axle alignment, ground clearance, and hood clearance
- K20 can fit under the factory hood when using the lower mount position
- Available in multiple urethane bushing stiffness options
- Suitable for applications ranging from daily-driven street cars to dedicated drag and race builds
- Designed using CAD/CAM technology for accurate fitment and consistent construction
- Engineered to combine strength, performance, and clean styling
- Backed by Hasport's lifetime warranty
Available Bushing Stiffness
- U62A – Street: Best choice for most street-driven vehicles
- U70A – Race: Firmer option for aggressive street and motorsport use
- U88A – Extreme Race: Designed for serious competition applications
- U94A – Most Extreme Race: Maximum urethane stiffness for dedicated race builds
Vehicle Fitment
- 1988–1991 Honda Civic
- 1988–1991 Honda CRX
- Intended for Honda K-Series engine swaps
EFK2 is designed for:
- Acura RSX manual transmissions
- 2002–2011 Honda Civic Si manual transmissions
Specifications
- Manufacturer: Hasport Performance
- Part Number: EFK2
- Product Type: K-Series Engine Swap Mount Kit
- Chassis: 1988–1991 Civic / CRX (EF)
- Engine Family: Honda K-Series
- Transmission: RSX / 2002–2011 Civic Si Manual
- Bushing Options: U62A, U70A, U88A, U94A
- Warranty: Hasport Lifetime Warranty
Installation Note:
- The EFK-series installation requires cutting and welding, so this is not a completely bolt-in conversion. Hasport also notes that K24 applications using a K24 crank pulley may require additional clearance considerations, including a dropped radius rod.
The Hasport EFK2 is an excellent foundation for building a K-swapped EF Civic or CRX, offering flexible engine positioning, proven drivetrain support, and multiple bushing options to tailor the setup for street, track, or drag use.
Due to the manufacturer's price control policy, this item may be excluded from promotions and discounts
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
Honda CRX
1989 Honda CRX Base
1990 Honda CRX Base
1991 Honda CRX Base
1990 Honda CRX Base
1991 Honda CRX Base
1988 Honda CRX DX
1988 Honda CRX HF
1989 Honda CRX HF
1990 Honda CRX HF
1991 Honda CRX HF
1989 Honda CRX HF
1990 Honda CRX HF
1991 Honda CRX HF
1988 Honda CRX Si
1989 Honda CRX Si
1990 Honda CRX Si
1991 Honda CRX Si
1989 Honda CRX Si
1990 Honda CRX Si
1991 Honda CRX Si
Honda Civic
1988 Honda Civic Base
1989 Honda Civic Base
1990 Honda Civic Base
1991 Honda Civic Base
1989 Honda Civic Base
1990 Honda Civic Base
1991 Honda Civic Base
1988 Honda Civic DX
1989 Honda Civic DX
1990 Honda Civic DX
1991 Honda Civic DX
1989 Honda Civic DX
1990 Honda Civic DX
1991 Honda Civic DX
1990 Honda Civic EX
1991 Honda Civic EX
1991 Honda Civic EX
1988 Honda Civic LX
1989 Honda Civic LX
1990 Honda Civic LX
1991 Honda Civic LX
1989 Honda Civic LX
1990 Honda Civic LX
1991 Honda Civic LX
1988 Honda Civic RT 4WD
1989 Honda Civic RT 4WD
1990 Honda Civic RT 4WD
1991 Honda Civic RT 4WD
1989 Honda Civic RT 4WD
1990 Honda Civic RT 4WD
1991 Honda Civic RT 4WD
1989 Honda Civic Si
1990 Honda Civic Si
1991 Honda Civic Si
1990 Honda Civic Si
1991 Honda Civic Si
1988 Honda Civic Wagovan
1989 Honda Civic Wagovan
1989 Honda Civic Wagovan
Engine Fitment
Honda 2.0L/1998CC - 4 Cylinder (K20Z1)
Honda 2.4L/2354CC - 4 Cylinder (K24A8)
Honda 2.0L/1998CC - 4 Cylinder (K20Z3)
Honda 2.4L/2354CC - 4 Cylinder (K24A2)
Honda 2.0L/1998CC - 4 Cylinder (K20A2)
Honda 2.4L/2354CC - 4 Cylinder (K24A2)
Honda 2.4L/2354CC - 4 Cylinder (K24A1)
Honda 2.0L/1998CC - 4 Cylinder (K20A3)
Honda 2.4L/2354CC - 4 Cylinder (K24A4)
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