fits make: Arctic-cat, Arctic.

( Brand: Arctic Cat ), ( Manufacturer Part Number: 1602-026 ), ( Part Type: Spacer )
The **Arctic Cat 1602-026 Spacer and 1604-026 NOS AC62** are precision-engineered components designed to enhance the performance, reliability, and longevity of Arctic Cat snowmobiles, particularly those equipped with the legendary **AC62** engine. The **1602-026 Spacer** is a high-quality, machined aluminum part that serves as a critical link between the engine s crankshaft and the transmission, ensuring proper alignment and reducing stress on the drivetrain. Crafted from durable, heat-treated aluminum, this spacer is engineered to maintain optimal crankshaft endplay, which is essential for smooth operation and preventing premature wear on bearings and seals. Its precise fitment helps mitigate vibrations and torsional forces, contributing to a quieter, more refined ride while extending the life of the engine s internal components.
Complementing the spacer is the **1604-026 NOS (New Old Stock) AC62**, a meticulously restored or reconditioned part that replaces the original, factory-sealed accessory drive components for the AC62 engine. These NOS parts are sourced from high-quality, aftermarket suppliers who specialize in replicating or refurbishing genuine Arctic Cat components to exacting standards. The **1604-026** typically includes essential elements like the **accessory drive pulley, tensioner, and idler pulley**, all of which work in unison to drive the snowmobile s alternator, water pump, and other critical accessories. By using NOS parts, riders gain the confidence of knowing they are installing components that meet or exceed OEM specifications, reducing the risk of premature failure and ensuring seamless integration with the engine s drivetrain. Together, these parts are ideal for riders looking to restore their Arctic Cat to factory specifications, improve reliability, or address specific performance concerns without compromising on quality or durability. Whether used in a classic restoration project or as part of a routine maintenance upgrade, the **1602-026 Spacer and 1604-026 NOS AC62** combination delivers a balance of precision engineering and dependability, making them a trusted choice for serious snowmobile enthusiasts.
### **Pros and Cons of buying a Arctic Cat 1602-026 Spacer (for AC62, AC1604-026 NOS)**
#### **Pros:**1. **Improved Performance** The spacer increases the displacement of the engine, which can enhance torque and power output, especially in stock or lightly modified Arctic Cat engines. This is particularly useful for those looking to squeeze out extra performance without a full rebuild.
2. **Cost-Effective Modification** Compared to a full engine swap or major overhaul, a spacer is a relatively inexpensive way to gain noticeable performance gains. It avoids the need for a complete engine rebuild or purchasing a new engine.
3. **Retains Stock Components** Since the spacer modifies the crankshaft s throw rather than replacing internal components, many stock parts (like the cylinder, piston, and valve train) can remain intact, reducing long-term maintenance costs.
4. **Compatibility with Stock Engines** The Arctic Cat 1602-026 spacer is designed to work with the AC62 and AC1604-026 engines, making it a straightforward upgrade for owners of these models. It does not require extensive modifications to the drivetrain or frame.
5. **Potential for Better Fuel Economy (in Some Cases)** While not guaranteed, some users report improved throttle response and efficiency due to the increased displacement, which can lead to better fuel economy in certain conditions.
6. **Easy Installation** The spacer is a relatively simple bolt-on modification that can be installed by a skilled mechanic or even a knowledgeable DIYer with basic tools. No major disassembly of the engine is typically required.
7. **Preserves Originality (to an Extent)** Unlike a full engine swap, using a spacer allows the vehicle to retain much of its original character while still benefiting from performance improvements.
8. **Commonly Available** Arctic Cat spacers are widely sold through aftermarket dealers, online marketplaces, and specialty snowmobile shops, making them easy to source.
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#### **Cons:**1. **Limited Performance Gains** While the spacer increases displacement, the gains are modest compared to a full engine rebuild or a larger displacement swap. Expect noticeable but not dramatic improvements in power and torque.
2. **Potential for Increased Wear** The increased stress on the crankshaft and connecting rods due to higher RPMs and torque can accelerate wear on internal components if the engine is not otherwise maintained or upgraded. This may require more frequent oil changes and inspections.
3. **Voids Warranty (if Applicable)** If the vehicle is still under warranty, installing a spacer may void coverage, as it is considered a modification that alters the engine s original specifications.
4. **Requires Supporting Modifications** To fully realize the benefits of the spacer, other components may need upgrading, such as:- **Exhaust system** (to handle increased backpressure and flow).
- **Air filter and intake** (to ensure proper airflow).
- **Spark plugs and ignition system** (to account for higher RPMs).
- **Transmission and drivetrain** (to handle increased torque).
Without these upgrades, the spacer s benefits may be limited or offset by engine stress.
5. **Risk of Overstressing the Engine** If the engine is already worn or not properly maintained, the spacer could exacerbate existing issues, leading to premature failure of critical components like the crankshaft, rods, or bearings.
6. **Not a Permanent Solution** The spacer is a temporary modification. For sustained high-performance use, a full engine rebuild or swap to a larger displacement engine (e.g., a 620cc or 700cc Arctic Cat) may eventually be necessary.
7. **Potential for Reduced Reliability** If the engine is not properly tuned or supported, the increased displacement can lead to rough idling, misfires, or reduced reliability, especially in cold conditions where oil viscosity is higher.
8. **Resale Value Impact** Modified vehicles, especially those with bolt-on performance parts like spacers, may have lower resale value compared to stock or factory-swapped engines. Buyers often prefer vehicles with original or factory-approved components.
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### **Conclusion:**The Arctic Cat 1602-026 spacer is a practical and affordable way to enhance the performance of an AC62 or AC1604-026 engine, offering modest but noticeable gains in power and torque. It is particularly suited for owners who want to improve their snowmobile s capabilities without committing to a full engine rebuild or swap. However, it is not a "set-and-forget" modification it requires supporting upgrades and regular maintenance to avoid long-term issues.
The spacer is best for:- Enthusiasts who want a simple, cost-effective performance boost.
- Those who plan to keep the vehicle for the short to medium term and are willing to invest in complementary modifications.
- Riders who prioritize fun and responsiveness over extreme power or longevity.
It is less ideal for:- Owners who prioritize reliability and longevity over performance.
- Those who plan to race or push the engine to extreme limits without additional support.
- Buyers concerned about resale value or warranty coverage.
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### **Recommendation:** If you are considering the Arctic Cat 1602-026 spacer, proceed with the following steps to maximize benefits and minimize risks:1. **Consult a Mechanic** Have a trusted Arctic Cat specialist inspect your engine to ensure it is in good condition and can handle the increased stress. They can also advise on necessary supporting modifications.
2. **Upgrade Supporting Components** Invest in a high-flow air filter, performance exhaust, and a tune (if your model supports it) to complement the spacer. This will help prevent engine strain and improve overall performance.
3. **Maintain Rigorously** With a spacer, oil changes should be more frequent (every 50 hours or as recommended by the mechanic), and the engine should be monitored for unusual noises, vibrations, or performance issues.
4. **Consider Long-Term Goals** If you plan to keep the snowmobile for many years or plan to race, a full engine rebuild or swap to a larger displacement (e.g., a 620cc or 700cc Arctic Cat) may be a better long-term investment.
5. **Test Thoroughly** After installation, take the snowmobile for test runs in controlled conditions to ensure the engine runs smoothly and adjust as needed.
**Final Verdict:** The Arctic Cat 1602-026 spacer is a worthwhile modification for those seeking a balance between performance and cost, provided it is paired with proper maintenance and supporting upgrades. However, it is not a cure-all, and its benefits are best realized when paired with a holistic approach to engine care. If your primary goal is maximum reliability or extreme performance, other modifications may be more suitable.
Genuine Arctic Cat Spacer 1604-026 NOS OEM AC62. Shipped with USPS Ground Advantage.