• Direct bolt-in installation.


• Includes four performance mounts.


• No-tear vibration-minimizing bushings.


• Eliminates wheel hop.


• Lifetime warranty for quality assurance.

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  Innovative Mounts Motor Mount Kit for 2006-2011 Honda Civic Si (FA/FD/FG/FN)

  
  

  SKU Variants:

  
  
  
  
  • 75A Steel: 90850-75A
  
  
  • 85A Steel: 90850-85A
  
  
  • 95A Steel: 90850-95A
  
  
  • 75A Billet: B90850-75A
  
  
  • 85A Billet: B90850-85A
  
  
  • 95A Billet: B90850-95A
  
  
  
  

  This Innovative Mounts Motor Mount Kit is a third-party replacement designed for the 2006-2011 Honda Civic Si (FA5/FD2/FG2/FN2 chassis) with K-Series engines and manual transmissions. If you’re looking to enhance your Si’s performance—whether for street driving, track days, or serious competition—this kit offers a direct bolt-on solution with options to match your needs. Here’s what you need to know to confirm it’s the right fit for your car.

  
  

  What’s Included

  
  
  
  
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    Mounts: Four-piece kit—front, rear, passenger, and transmission mounts—plus three mounting brackets.
  
  
  • Construction Options:
  
  
  
  
  • Steel: Welded solid steel with a black finish (90850 series).
  
  
  • Billet: CNC-machined 6061 aluminum for a lightweight, premium look (B90850 series).
  
  
  
  
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    Bushings: No-tear polyurethane in 75A (race), 85A (extreme race), or 95A (competition) hardness levels; color-coded inserts (black for 75A billet, grey for 85A, red for 95A).
  
  
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    Hardware: Includes some mounting hardware; uses some OEM bolts.
  
  
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    Warranty: Lifetime warranty from Innovative Mounts for manufacturing defects.
  
  
  
  

  Compatibility Details

  
  
  
  
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    Vehicles: Fits 2006-2011 Honda Civic Si (FA5/FD2/FG2/FN2 chassis).
  
  
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    Engines: Compatible with K-Series engines (e.g., K20Z3 in the Civic Si).
  
  
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    Transmissions: Works with 5 or 6-speed manual transmissions only.
  
  
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    Not Compatible: Does not fit K24 Accord/TSX/Euro R transmissions or automatic setups—check your transmission type before buying.
  
  
  
  

  Fitment and Design

  
  
  
  
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    Direct Bolt-On: Installs without hood notching or trimming, using factory mounting points for a hassle-free fit.
  
  
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    Performance Focus: Replaces fluid-filled OEM mounts with solid steel or billet mounts, reducing wheel hop (wheel bounce during acceleration) and sharpening throttle response.
  
  
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    Vibration Note: The no-tear bushings minimize vibration, but you might notice slight cabin vibration, especially with higher horsepower or stiffer bushings (85A/95A).
  
  
  
  

  Variant Options

  
  
  
  
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    75A Steel (90850-75A): Moderate firmness for a balance of performance and comfort; ideal for spirited street driving or light track use.
  
  
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    85A Steel (90850-85A): Stiffer for improved dynamics; suits track-focused drivers wanting tighter control.
  
  
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    95A Steel (90850-95A): Maximum firmness for high-power builds or competition; prioritizes precision over comfort.
  
  
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    75A Billet (B90850-75A): Same firmness as steel 75A, but with billet aluminum and black inserts for durability and style.
  
  
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    85A Billet (B90850-85A): Billet upgrade with grey inserts; blends stiffness and aesthetics for performance enthusiasts.
  
  
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    95A Billet (B90850-95A): Top-tier billet option with red inserts; built for extreme setups demanding ultimate rigidity.
  
  
  
  

  Installation Considerations

  
  
  
  
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    Skill Level: Professional installation by a mechanic or specialist is strongly recommended due to alignment precision and torque requirements.
  
  
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    Non-Returnable: Once bolted down, mounts show impressions and cannot be returned—verify fitment first.
  
  
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    Design Benefits: CAD/CAM-engineered and stress-analyzed for strength and a perfect fit, with no axle bind.
  
  
  
  

  Is This the Right Kit for You?

  
  
  
  
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    Yes, if: You own a 2006-2011 Civic Si with a K-Series engine (like the K20Z3) and a manual transmission, and you want better traction and response for street, track, or racing. Pick 75A for street, 85A for track, or 95A for max performance.
  
  
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    No, if: Your Si has an automatic transmission, a non-K-Series engine, or a K24 Accord/TSX/Euro R trans, or you prefer a soft, quiet ride over performance gains.
  
  
  
  

  Quick Checklist Before Buying

  
  
  
  
  1. 
     Model & Year: 2006-2011 Honda Civic Si?
  
  
  2. 
     Chassis: FA5, FD2, FG2, or FN2?
  
  
  3. 
     Engine: K-Series (e.g., K20Z3)?
  
  
  4. 
     Transmission: 5 or 6-speed manual (not Accord/TSX K24)?
  
  
  5. 
     Driving Style: Street (75A), track (85A), or competition (95A)? Steel or billet?
  
  
  
  

  This kit delivers a robust, performance-oriented upgrade with options for every Civic Si owner. Match your chassis, engine, and goals to the right variant, and enjoy a more connected driving experience backed by lasting quality.

  
  



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  2006-2011 Honda Civic Si
  2006-2011 Honda Civic
  
  


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USD : 97.2