Ingalls 93044 User Manual
Page 2

© 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
 
Step 3: Install Stiffy™ onto the Chassis Mount Bracket and Engine Mount Bracket using the supplied hardware. 
Begin on the Chassis bracket. Place the spacer between the Stiffy™ and the chassis bracket (Arrow “C”). Use the 
longer of the M10 bolts to fasten the Stiffy™ to the chassis bracket. You may need to loosen the jam nut with an 
open-end wrench (17mm) and adjustable wrench to increase the assembly length depending upon application. The 
supplied M10 (17mm HEX) bolt should go through the engine side of the bracket, and the Stiffy ™ should mount on 
the engine side of the bracket. The supplied rubber o-ring is placed between the Stiffy™ rod end and the supplied 
washer (smaller washers), which mounts against the bracket. The Stiffy™ nuts (15mm HEX) are black in color, 
where all other supplied nuts are silver in color. The Stiffy ™ adjustment dials should be facing toward the Chassis 
Mounting Bracket. Note: Install bolts with bolt head on the rod end side of the assembly and the locking nut (black in 
color) on the bracket side of the assembly. Refer to illustration 3 for proper assembly of the mounting hardware. The 
nut and bolt can be swapped with the nut against the bracket or rod-end depending upon application, but the washer 
and o-ring placement should not be changed. 
 
 
 
Notes: 
Proper use and fitment of the rubber O-ring helps dampen additional road noise or “feel” that can be transferred through the damper 
assembly. The O-ring should be used between the Stiffy ™ heim joint and bracket for optimal noise suppression. Dynamat or other 
damping materials, as used in aftermarket audio and in-car electronics industries, can also be used to provide further noise and 
vibration damping when used between the brackets and the surface they mount on. 
DO NOT attempt to adjust Stiffy ™ from its pre-set stiffness without consulting the Ingalls website. Large open-end wrenches are 
required to adjust stiffness (27mm). Most standard and mechanics tool kits do not include these types of wrenches. 
 
Limited Warranty
Subject to Disclaimer. All Ingalls Engineering Co., Inc. products are warranted against defects in materials and workmanship for ninety (90) days from date of 
purchase. During the warranty period Ingalls will repair, or at its option replace, at no charge components that prove to be defective. The product must be returned, 
shipping prepaid, to Ingalls facility. This limited warranty does not apply if the product is damaged by accident of misuse. The foregoing warranty is in lieu of all 
other warranties expressed or implied; including but not limited to any implied warranty of merchantability, fitness, or adequacy for any other particular purpose or 
use. Ingalls shall not be liable for any special, incidental, or consequential damages whether in contract, tort, or otherwise resulting from the use or the inability to 
use the product. 
Warranty Disclaimer
Use of this product in competition, or use on vehicles altered from original manufacturer’s specifications or settings, EXPRESSLY VOIDS WARRANTY. The user is 
urged to inspect for suspension binding or interference when the product is used in these manners. However, due to the varying conditions and manner of which 
the product will be subjected to in such uses, Ingalls Engineering Co., Inc. makes no warranties, either express or implied, including any warranty of 
merchantability or fitness for a particular purpose for use in competition or with specification or settings other than those specified by the original manufacturer’s 
specifications. 
This image shows how the Stiffy™ should look
after installation. The brackets should be
aligned so that the Stiffy™ is parallel to the
valve cover. If need be, you can use spacers or
washers to ensure that the Stiffy™ will be
properly aligned. Make sure however that the
rubber o-ring is against the heim joint for noise
suppression.
