Vehicle Fitment

  • 2002–2011 Honda Civic Si (EP3/FG2/FA5; 2.0 L K-series I4; 5/6-speed manual; FWD)
  • 2002–2006 Acura RSX / RSX Type-S (DC5; 2.0 L K-series I4; 5-speed manual; FWD)
  • 2006–2011 Acura CSX (base/Type-S; 2.0 L K-series I4; 5-speed manual; FWD)

Fitment Notes

  • Front engine mount--sold individually
  • Not compatible with automatic transmissions
  • 75A bushing rated for 250–400 hp builds--OEM capacity retained

Features

  • CNC stress-analyzed steel housing for high-strength rigidity
  • No-tear polyurethane bushing minimizes wheel hop and engine movement
  • 75A durometer--balanced between street comfort and performance
  • Lifetime warranty from Innovative Mounts
  • Powder-coat finish resists corrosion
  • Cad-Cam designed for precision factory-fit alignment
  • Reduces engine torque twist and improves throttle response
  • Street-and-track proven--compatible with 250–400 hp K-series builds

Specifications

  • Part Number: 90640‑75A
  • Position: Front engine mount (driver's side)
  • Bushing Hardness: 75A polyurethane
  • Material: CNC steel; Finish: black powder coat
  • Transmission Compatibility: 5/6-speed manual only
  • Warranty: Lifetime limited
  • Weight: ~3 lb

This Mount Kit Replaces the OEM/Stock parts:
50840-S6M-010 EP3 
50840-S6M-J01 DC5 
50830-SVB-A01 FG2

Included Components

  • 1× Innovative Mounts front engine mount assembly
  • 1× Polyurethane 75A bushing pre-installed
  • 1× Mounting hardware (bolts and bushings)

Product Description

The Innovative Mounts 90640‑75A front engine mount is engineered for performance K-series Honda and Acura vehicles, including Civic Si (02–11), RSX (02–06), and CSX (06–11) equipped with 2.0 L manual transmissions. Featuring a CNC steel housing and rigid 75A durometer polyurethane bushing, this mount dramatically reduces engine movement, torque twist, and wheel hop under aggressive acceleration.

Designed using CAD/CAM stress analysis, the mount bolts in using OEM locations with no drilling or modifications. The 75A bushing provides a firm, responsive feel while maintaining everyday comfort. Ideal for builds between 250–400 hp, this mount enhances throttle response and chassis connection, backed by a lifetime warranty for lasting reliability.



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