What is the main advantage of the X4 axle design?

The X4 axle uses a larger, splined inner joint that connects to a special adapter plate, which then bolts directly to the transmission flange. This design increases the surface area for power transfer, offering a more robust connection than traditional splined shafts.

What type of transmission is required for this axle?

This specific axle is designed for vehicles equipped with a B-Series engine and a hydraulic transmission. It is not compatible with automatic transmissions or manual transmissions that do not use a hydraulic clutch system.

Does this axle come with everything needed for installation?

This axle includes the axle shaft and the necessary CV joints. However, it requires a specific adapter plate to bolt to the transmission flange, which should be confirmed as included or purchased separately based on your specific setup.

Specifications

Brand: Driveshaft Shop
Part #: 510012
UPC: RA3992X4

DSS 88-91 Honda Civic EF / Acura Integra AV w/B-Series w/Hydro Trans 700HP X4 Axle - Left RA3992X4

Name: DSS 88-91 Honda Civic EF / Acura Integra AV w/B-Series w/Hydro Trans 700HP X4 Axle - Left RA3992X4
Brand: Driveshaft Shop
SKU: driveshaft-shop-dss-88-91-honda-civic-ef-acura-integra-av-w-b-series-w-hydro-tra-t14-514320
Price: 761.57 USD
Availability: BackOrder

$761.57

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DSS 88-91 Honda Civic EF & Acura Integra AV w/B-Series w/Hydro Trans 700HP X4 Axle - Left

Key Features

Fits 1988-1991 Honda Civic EF and 1990-1993 Acura Integra AV with B-Series engine and hydraulic transmission.
Rated for up to 700 horsepower.
Features an upgraded, larger splined inner joint with an adapter plate that bolts to the transmission flange.
Includes an upgraded outer CV joint designed for higher power applications.
Constructed from a proprietary alloy steel shaft that is heat-treated for strength.
Designed as a direct replacement for the factory left-side axle.

This axle is designed for 1988-1991 Honda Civic EF and 1990-1993 Acura Integra AV models equipped with a B-Series engine and a hydraulic transmission.

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About this part

Product Details

This is the Driveshaft Shop X4 axle designed for the left side of your 1988-1991 Honda Civic EF or 1990-1993 Acura Integra AV equipped with a B-Series engine and a hydraulic transmission. It's built to handle up to 700 horsepower, making it a strong choice for modified vehicles that need a reliable drivetrain component.

The X4 axle features a larger, splined inner joint that mates to a special adapter plate, which then bolts directly to the factory transmission flange. This setup increases the surface area for power transfer compared to traditional splined shafts, offering a more robust connection. The outer CV joint is also upgraded to handle the increased power and torque. The axle shaft itself is made from a strong, proprietary alloy steel, heat-treated for maximum durability and resistance to torsional stress. This well-built axle is designed to be a direct replacement for the factory unit, ensuring proper fitment without requiring extensive modifications.

When installing this axle, ensure you have the correct transmission adapter plate and hardware. It's recommended to use a high-quality synthetic transmission fluid to help keep the joints cool under load. This axle is a critical component for anyone pushing their B-series powered Civic or Integra beyond stock power levels.