Innovative B49150-75A Hydro Conversion Mount Kit for 88-91 Civic/CRX B-Series

Vehicle Fitment

• 1988-1991 Honda Civic (ED/EE/EF chassis; FX/Si/EX/LX/CX/HF trims)
• 1988-1991 Honda CRX (ED/EF chassis; Base/HF/Si trims)

Fitment Notes

• For B-Series engine swaps with hydraulic transmission
• Not for cable-shift setups--use B49150-e non-hydro version
• Perfect for H22, B16, B18, H23, etc.; maintains hood and axle clearance

Features

• CNC-machined aluminum mounts -- satin black or silver finish
• 75A durometer polyurethane bushings (ideal for 250-400 hp)
• No-tear design reduces vibration while providing solid control
• CAD/CAM stress-analyzed for optimized strength and alignment
• Positions engine to eliminate axle bind and maintain geometry
• Bolt-on install, no modifications needed to chassis or hood
• Includes full mounting hardware and bracket set
• Made in USA; lifetime warranty included

Specifications

• Part Number: B49150-75A
• Bushing Hardness: 75A polyurethane
• Mount Style: 3-piece hydro conversion kit
• Weight: Approx. 11 lb
• Finish Options: Black (product 2), Silver (product 0)

Included Components

• 1x Driver-side engine mount
• 1x Passenger-side transmission mount
• 1x Rear mount with bracket
• All necessary bolts, brackets, and washers

Product Description

The Innovative B49150-75A Hydro Conversion Mount Kit is designed for 1988-1991 Honda Civic and CRX vehicles undergoing B-Series engine swaps mated to hydraulic transmissions. Featuring performance-tuned 75A polyurethane bushings, it balances stiffness for responsive driving while minimizing NVH on the street.

Precision-machined and CAD-designed, these mounts hold the engine in factory alignment, preventing axle bind and ensuring clearance with headers and hood. The bolt-on kit includes robust hardware and is backed by a lifetime warranty--making it a reliable choice for high-horsepower daily drivers and weekend track builds.