SPORTS PARTS INC 7021-S341883-91 Spi Standard Shock Single Rear Cat

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 7021-S341883-91 ), ( Part Type: Shock )

Review SPORTS PARTS INC Spi Standard Shock Arctic Cat Single Snowmobile Rear fits LYNX 1977–2000

The **Sports 7021-S341883-91 SPI Standard Shock** is a meticulously engineered, high-performance suspension component designed specifically for the **1977 1980 Arctic Cat Lynx 2000 single-rear** snowmobile, ensuring optimal ride quality, durability, and off-piste capability. Crafted to meet the **SPI (Snowmobile Parts Institute) standard**, this shock absorber is built to withstand the rigorous demands of winter terrain, from groomed trails to deep powder and rough backcountry conditions. Its robust construction features a **heavy-duty coil spring** paired with a **gas-charged damping system**, which eliminates air bubbles and provides consistent, smooth operation under varying loads and temperatures. The shock s **adjustable rebound and compression damping** allows riders to fine-tune the suspension to their preferred handling characteristics, whether seeking a firmer setup for aggressive riding or a softer feel for enhanced comfort on bumpy terrain. The **sealed, corrosion-resistant design** ensures longevity even in harsh, salt-laden environments, while the **durable mounting hardware** guarantees a secure and reliable fit to the Lynx 2000 s rear suspension system. Whether tackling steep climbs, navigating icy patches, or cruising at high speeds, this shock delivers **superior stability, reduced fatigue, and improved traction**, making it an essential upgrade for performance-minded riders who demand the best from their Arctic Cat. Built to exacting standards, the **Sports 7021-S341883-91** is not just a replacement part it s a performance-enhancing solution that restores factory-level (or better) suspension performance, ensuring your Lynx 2000 handles with precision and confidence in every season.

### **Pros and Cons of buying a Sports 7021-S341883-91 SPI Standard Shock for a 1977-1980 Arctic Cat Lynx 2000 Single Rear**

1. **OEM Replacement Part** This shock is a direct factory replacement for the Arctic Cat Lynx 2000, ensuring a perfect fit in terms of mounting points, dimensions, and functionality. It maintains the original ride quality and handling characteristics of the vehicle.

2. **Reliability and Durability** Sports Manufacturing (SPI) is a well-known brand in the ATV and off-road industry, producing shocks that are built to withstand heavy use, rough terrain, and frequent impacts. The 7021-S341883-91 model is designed for longevity, reducing the need for frequent replacements.

3. **Consistent Performance** Since this is a standard shock, it provides predictable suspension behavior, which is ideal if you want to avoid modifying the ride height or damping characteristics. It s a good choice for riders who prefer the stock feel of their Lynx 2000.

4. **Ease of Installation** Being an exact OEM replacement, the shock should install relatively easily with minimal modifications required. Most riders with basic mechanical skills can replace it without professional help.

5. **Warranty Coverage** SPI shocks typically come with a warranty (check the specific terms), providing peace of mind against manufacturing defects. This can be particularly valuable if the shock fails prematurely.

6. **Compatibility with Stock Components** Using the OEM shock ensures compatibility with other stock suspension parts (e.g., springs, bushings, and linkages), avoiding potential issues that can arise from mixing aftermarket components.

7. **Cost-Effective for Basic Use** If you primarily use your Lynx 2000 for light to moderate off-roading or trail riding, this shock offers a balanced solution without the need for upgrades. It s a pragmatic choice for riders who don t require aggressive suspension tuning.

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1. **Limited Customization** The standard shock does not offer adjustable damping or rebound settings, which means you cannot fine-tune the suspension for your specific weight, riding style, or terrain preferences. This can lead to a less optimized ride if your usage differs significantly from the factory settings.

2. **Potential for Wear Over Time** Like all suspension components, this shock will degrade with age and heavy use. If not maintained properly (e.g., regular inspections for leaks, rust, or internal wear), it may fail unexpectedly, leading to a rough or unstable ride.

3. **No Upgrade in Performance** If you frequently ride on rough or rocky terrain, the stock shock may not provide the shock absorption or stability of a high-performance aftermarket shock. Upgraded shocks often feature improved damping, longer travel, or reinforced construction for tougher conditions.

4. **Rust and Corrosion Risks** Older ATVs like the Lynx 2000 are prone to rust, especially in the suspension components. If the shock or its mounting points are corroded, replacing it with a new OEM shock may not fully resolve underlying issues. Inspect the entire suspension system before installation.

5. **Potential for Incompatibility with Modifications** If you ve made modifications to your Lynx 2000 (e.g., lowering springs, upgrading the drivetrain, or adding weight), the stock shock may not perform optimally. In such cases, an aftermarket shock with adjustable settings might be more appropriate.

6. **Price Relative to Aftermarket Options** While the OEM shock is a reasonable price point, some aftermarket shocks offer similar or better performance at a comparable cost. For example, brands like Fox, Bilstein, or Ohlins produce shocks with adjustable damping that may justify the investment for serious riders.

7. **Limited Availability of Parts** As Arctic Cat ATVs age, finding OEM or aftermarket parts can become challenging. While SPI is a reputable brand, ensure the shock is still in production or easily replaceable before purchasing.

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The **Sports 7021-S341883-91 SPI Standard Shock** is an excellent choice for riders who prioritize **reliability, ease of installation, and a stock-like ride experience** for their 1977-1980 Arctic Cat Lynx 2000. It s ideal for those who:

- Want a direct OEM replacement without modifying the suspension.

- Use their ATV primarily for light to moderate off-roading or trail riding.

- Prefer simplicity and don t require adjustable damping.

- Are on a budget and don t want to invest in high-end aftermarket suspension.

However, if you **ride aggressively, frequently encounter rough terrain, or have modified your ATV**, you may benefit from an **aftermarket shock with adjustable settings** (e.g., a Fox Float or Bilstein B16) for better control and longevity. Additionally, always inspect the **entire suspension system** (springs, bushings, linkages) before installing the shock to ensure no underlying issues exist.

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- You want a straightforward, no-fuss replacement.

- Your riding conditions are mild to moderate.

- You re comfortable with the stock suspension characteristics.

- You ve verified that the rest of your suspension is in good condition.

- You ride on rough or rocky terrain regularly.

- You ve made modifications to your ATV (e.g., lowered springs, added weight).

- You want adjustable damping for a more tailored ride.

- You re open to investing slightly more for improved performance and longevity.

For most **stock or lightly modified Lynx 2000 owners**, the SPI shock is a **solid, practical choice**. However, if you push your ATV hard or plan to keep it for years, exploring aftermarket options could pay off in the long run. Always pair the shock replacement with a **full suspension inspection** to ensure optimal performance.

Details:

Compatibility: Years: Make: model: Application: Notes: 1986 - 1987 Arctic Cartel Tigress, 1981 Arctic Tiger 5000 F/Rear, 1978 6000 L/Rear, 1979 1980 Arctic Cat Jag 3000 1977 Cat Lynx 2000 Twin Rear, 1980 Carpentry ES Electric Start Rear, 1987 5000Rear, F/Area, 1984 6000Rear, 1985 1986 Arctic Category, 1985 Arctic , , Single Rear.: Brand: Sports Parts Inc, model Number: 7021-S341883-91. SPI Standard Shock for 1977 1980 Arctic Cat Lynx 2000 Single Snowmobile Rear: Application: Rear. Standard Shock Replacement.

This is helpful if you are buying multiple items. I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 7021s34188391 price

• $37.14

specifications snowmobileshocksoi:

• for models: Lynx
• for makes: Arctic, Arctic-cat
• for years: 1977-2000
• brand: Sports Parts Inc
• mpn: 7021-s341883-91
• part type: Shock

returns snowmobileshocksoi:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer snowmobileshocksoi:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 9
• started: April 30, 2026

general snowmobileshocksoi:

• Parts Accessories > Snowmobile Parts > Shocks Suspension
• condition: New

payments snowmobileshocksoi:

• credit card: Diners-club
• wallet: Apple-pay
• other

seller snowmobileshocksoi:

• rating: 99.9%
• city: Indiana, US
• # reviews: 84271

shipping snowmobileshocksoi:

• transit: 4-6 Days
• type: Fixed
• cost: $0.00
• service: Standard
• class: Standard

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