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© Ingalls Engineering Co., Inc. - 2011 Cherry Street, Suite 104 - Louisville, CO, 80027 

(800) 641-9795 - (303) 665-7800 - Fax: (303) 665-7810 - www.IngallsEng.com 

 

Installation Instructions for 93048 

 

Ingalls Engineering Stiffy ™ Engine Torque Damper for 2000-08 Honda S2000 

 

The 

Stiffy ™ Adjustable Engine Torque Damper

 is engineered to reduce deflection under hard acceleration and cornering for 

improved performance and power to weight transfer. Deflection in the motor mounts, as with the chassis and suspension, is a 
formidable enemy in power and weight transfer, robbing valuable horsepower and control. The innovative, built-in damper eliminates 
the huge amounts of “torque shock” that result from wheel-hop and once installed; transfers more power to the road and improves 
acceleration, shifting, and overall control and balance. The adjustable feature allows the assembly to be tuned and pre-loaded for 
racing and street applications. 

CAUTION

: Observe proper safety and repair procedures for installation of all chassis parts. Some chassis parts require 

specialized tools and experience and therefore 

MUST

 be installed by a qualified technician; otherwise and unsafe vehicle and/or 

personal injury could result. Wear safety glasses and other protection. 

WARNING

: Before beginning, check for any damaged or loose suspension connections. Loose connections here indicate worn 

or broken parts which 

MUST BE REPLACED

. Failure to replace a damaged or worn spindle and/or link may cause the wheel to 

separate from the vehicle, possibly resulting in serious personal injury. Installer 

MUST

 check for proper clearance. Modification(s) 

may be required. Please proceed 

ONLY

 if the vehicle owner is completely aware of these potential suspension modifications. 

 

 

Estimated Installation Time:

 One Hour  

 

Technical Rating:

 Easy 

 
Included Parts List: 

    Required 

Tools 

for 

Installation:

 

 

1 - Stiffy ™ Engine Torque Damper 

 

 

 

Metric Sockets 

 1 

Engine 

Bracket 

     Metric 

Box 

Wrenches 

 

1 - Chassis Bracket  

 

 

 

 

Crescent Wrench (up to 27mm) 

 1 

Cable 

Tie 

     3/8”

 

Torque 

Wrench 

   

 

1 - Hardware Kit 

 

 

 

 

 

3/8” Socket Driver (Wrench) 

 

Step 1: Under the hood, locate the passenger’s side upper strut mount and remove the two M10 nuts (14mm HEX) 
(Arrows “A”, Illustration 1) that secure the strut to the strut tower. Fit Chassis Mounting Bracket over the strut studs as 
shown in Illustration 2, (ensure that the bent tab portion of the bracket is angling up).  Secure Chassis Mounting 
Bracket using the OEM M10 nuts.     
 

 

 

   

 

 

 
                                 Illustration 1                                                                     Illustration 2 

 
 
 
 

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