fits model: Zr, Efi, 600. make: Arctic-cat, Arctic. year: 1997–1999.

( Brand: Arctic Cat ), ( Manufacturer Part Number: 1704-088 ), ( Part Type: Spring Suspension ), ( Country Of Origin: United States )
The **Arctic Cat 1704-088 suspension torsion springs** for the **1999 ZR600 EFI (models from 1997 and 1998)** are a critical yet often overlooked component that plays a pivotal role in maintaining optimal ride quality, handling, and overall performance of this iconic snowmobile. Designed specifically for the left and right rear suspension systems, these torsion springs are engineered to provide the precise balance of stiffness and flexibility required to absorb the harsh impacts of off-piste terrain while ensuring a responsive and controlled ride. Crafted from high-grade, heat-treated steel, these springs are built to endure the extreme conditions of winter sports, including deep snow, icy trails, and rugged backcountry terrain, where durability and reliability are non-negotiable. The **1999 ZR600 EFI** a legendary machine known for its powerful 600cc two-stroke engine and advanced electronic fuel injection system relies on these springs to complement its suspension system, which includes a progressive-rate design that adjusts to varying loads and speeds. Whether you're carving through fresh powder, navigating steep climbs, or cruising along groomed trails, these torsion springs work in tandem with the suspension linkages to minimize bounce, enhance traction, and reduce rider fatigue over long excursions. Replacing worn or fatigued springs is essential for preserving the ZR600 s handling precision, as aging components can lead to a sluggish response, excessive wheel hop, or even premature wear on other suspension elements like shocks and linkages. Arctic Cat s engineering ensures these springs meet the exact specifications for the ** 97 98 99 ZR600 EFI**, guaranteeing a seamless fit and performance that aligns with the machine s legendary reputation for speed and agility. For riders who demand nothing less than perfection in their snowmobile s performance, these torsion springs are an indispensable upgrade or replacement part, ensuring the ZR600 continues to deliver the thrilling, smooth, and controlled ride it s renowned for.
### **Pros and Cons of Buying Arctic Cat 1704-088 (1999 ZR 600 EFI) Left/Right Rear Suspension Torsion Springs (97-98 Models)**
#### **Pros:**1. **Direct Fitment** These torsion springs are designed specifically for the 1999 Arctic Cat ZR 600 EFI, as well as the 1997 and 1998 models, ensuring compatibility without modification.
2. **Reliability** Arctic Cat parts are known for durability, and torsion springs are a critical component for maintaining proper suspension function, reducing sag, and improving handling.
3. **Prevents Sagging** Worn or broken torsion springs can cause the rear suspension to sag, leading to poor ride quality, uneven tire wear, and handling issues. Replacing them restores proper suspension geometry.
4. **Cost-Effective** Compared to full suspension rebuilds or buying a new bike, replacing just the torsion springs is a relatively inexpensive fix that extends the life of the suspension system.
5. **Easy Installation** While some mechanical skill is required, these springs are designed for straightforward replacement, often requiring only basic tools.
6. **Prevents Further Damage** Ignoring failing torsion springs can lead to damage to other suspension components (shocks, linkages, or frame stress). Replacing them early avoids costly repairs.
7. **Maintains Performance** Proper suspension function is crucial for off-road performance, including traction, control, and rider comfort.
#### **Cons:**1. **Age of Part** The 1999 model year is not extremely old, but finding a genuine Arctic Cat part may require sourcing from specialty dealers, which could be less convenient than buying from a big-box retailer.
2. **Potential Wear on Related Components** If the torsion springs have been failing for some time, other suspension parts (such as shocks, bushings, or linkages) may also be worn and could require replacement simultaneously.
3. **Installation Difficulty** While not extremely complex, replacing torsion springs requires careful attention to torque specifications and alignment to avoid improper tension or damage to the suspension system.
4. **Limited Availability** Depending on the region, genuine Arctic Cat parts may be harder to find than aftermarket alternatives, which could be cheaper but may not offer the same quality or longevity.
5. **Cost vs. Full Suspension Rebuild** If the suspension system is severely degraded, replacing just the torsion springs may provide temporary relief but not a complete solution. A full suspension service might be more cost-effective in the long run.
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### **Conclusion**
Replacing the torsion springs on a 1999 Arctic Cat ZR 600 EFI (or 97-98 models) is a practical and necessary maintenance task if the springs are worn or broken. The benefits restored suspension function, improved handling, and prevention of further damage outweigh the minor drawbacks, such as potential installation complexity or the need to check related components. However, if the suspension system is beyond repair, a more comprehensive rebuild may be the better long-term investment.
### **Recommendation**
If you are experiencing rear suspension sag, uneven tire wear, or poor handling, **proceed with replacing the torsion springs** using genuine Arctic Cat parts or high-quality aftermarket equivalents. Ensure you also inspect and service related components (shocks, bushings, and linkages) to avoid future issues. If you lack mechanical experience, consult a professional suspension specialist to confirm the condition of the entire system before installation. This upgrade will significantly improve ride quality and extend the life of your bike.
Items listed with free USPS priority shipping may be shipped via ground advantage or another economical option to some locations in order keep prices lower ever raising costs. Some minor wear spots and normal signs of use age, some corrosion, stains, scuffs, etc. You should check to be sure these will fit your machine before purchasing. Rear Suspension Torsion Springs removed from a 1999 Arctic Cat ZR 600 Efi.