ULTIMA 21-108 Oil Pressure Shovehead Adapter Fx Cho

( Brand: Ultima ), ( Manufacturer Part Number: 21-108 ), ( Part Type: Oil Pressure Adapter )

Review ULTIMA Oil Pressure Guage Harley Shovehead Adapter Fx Wide Cho fits ELECTRA GLIDE FLH

Introducing the Ultima 21-108 Oil Pressure Harley-Davidson Shovelhead Adapter for FX, FLH, Electra Glide models, a superior solution for enhancing the oiling system in your classic Harley-Davidson motorcycle. This high-performance adapter, manufactured by Ultima, is meticulously crafted to improve oil pressure and circulation in your Shovelhead engine, ensuring optimal engine performance and longevity.

The Ultima 21-108 Oil Pressure Adapter is specifically designed for Harley-Davidson FX, FLH, and Electra Glide models with Shovelhead engines. It is an essential upgrade for riders who demand the highest level of performance and reliability from their motorcycles.

This adapter is engineered using top-quality materials, ensuring a robust and durable construction. Its precise dimensions and design allow for a perfect fit in your motorcycle's engine compartment. The adapter is CNC machined, ensuring exceptional accuracy and a flawless finish.

The Ultima 21-108 Oil Pressure Adapter is designed to work with the original Harley-Davidson oil pump, which makes for an easy installation process. It does not require any modifications to the existing engine components or the use of additional aftermarket parts. This simplicity in installation makes it an attractive option for Harley-Davidson enthusiasts who value the originality of their bikes.

By increasing the oil pressure and circulation in your Shovelhead engine, this adapter contributes to the effective lubrication of critical engine components. This improved lubrication leads to reduced engine wear and tear, smoother engine operation, and enhanced overall engine performance.

Additionally, the Ultima 21-108 Oil Pressure Adapter is compatible with both dry-sump and wet-sump systems, providing flexibility for various Harley-Davidson configurations.

In summary, the Ultima 21-108 Oil Pressure Harley-Davidson Shovelhead Adapter for FX, FLH, Electra Glide models is an essential upgrade for riders seeking to enhance the performance and reliability of their classic Harley-Davidson motorcycles. Its precise design, durable construction, and ease of installation make it an attractive option for Harley-Davidson enthusiasts who prioritize performance and authenticity.

Pros and Cons of buying a Ultima 21-108 Oil Pressure Harley Shovehead Adapter for FX FLH Electra Glide and ChroMoly frame bikes

The Ultima 21-108 Oil Pressure Harley Shovehead Adapter is designed to fit Harley-Davidson FX FLH Electra Glide and ChroMoly frame bikes. This adapter allows the use of aftermarket oil pumps and oil pressure switches, providing better oil pressure and improved engine performance. In this article, we will discuss the advantages and disadvantages of purchasing this adapter.

1. Enhanced Engine Performance: By increasing oil pressure, the engine runs more efficiently and effectively, leading to better performance and fuel economy.

2. Improved Oil Cooling: The adapter enables proper oil circulation, which is essential for efficient oil cooling, reducing the risk of engine overheating.

3. Versatility: This adapter can be used with various aftermarket oil pumps and oil pressure switches, providing flexibility in choosing components that best fit your needs and budget.

4. Compatibility: The Ultima 21-108 oil pressure adapter is compatible with both Electra Glide and ChroMoly frame bikes, making it a versatile investment.

1. Installation Complexity: Installing the adapter and the required components can be a complex process that may require the assistance of a professional mechanic.

2. Cost: The adapter itself and the additional components needed for installation can add up to a significant investment, which may not be within everyone's budget.

3. Potential Compatibility Issues: Although the adapter is designed to be compatible with various aftermarket oil pumps and switches, there is always a chance that certain combinations may not work seamlessly, requiring additional troubleshooting and adjustments.

The Ultima 21-108 Oil Pressure Harley Shovehead Adapter offers several benefits, including enhanced engine performance, improved oil cooling, versatility, and compatibility. However, it also comes with drawbacks such as installation complexity, cost, and potential compatibility issues. Ultimately, the decision to purchase this adapter depends on your personal preferences, budget, and technical expertise. If you are comfortable with the installation process and are willing to invest in improved engine performance, this adapter could be a worthwhile investment. On the other hand, if the installation complexity and cost are concerns, it may be wise to consider other options or to consult with a professional mechanic before making a decision.

1. Evaluate your technical skills and resources to determine if you are capable of installing the adapter and necessary components.

2. Research the cost of the adapter, aftermarket oil pump, and oil pressure switch to ensure that the investment falls within your budget.

3. Look into the compatibility of various aftermarket oil pumps and switches with the adapter to ensure a seamless installation process.

4. Consult with a professional mechanic if you are unsure about any aspect of the installation or compatibility concerns.

5. Weigh the benefits of improved engine performance and oil cooling against the potential drawbacks of installation complexity, cost, and compatibility issues.

Based on your research and evaluation, you can make an informed decision about whether or not to purchase the Ultima 21-108 Oil Pressure Harley Shovehead Adapter for your FX FLH Electra Glide or ChroMoly frame bike.

Details:

Oil Pressure guage Harley Shovehead Adapter FX FLH Electra Glide Wide chopper. Product: Ultima Adapter, Shovehead Oil Pressure Gauge. Selling as pictured. Function: This component is designed to allow the installation of a 0-60 PSI or 0-100 oil pressure gauge on Harley-Davidson Shovehead engines.

Manufacturer/Part Number: Midwest Motorcycle / Ultima 21-108.

part #: 21108 price

• $19.95

specifications tachometermotorcycleiz:

• for models: Flh, Electra, Glide
• for makes: Harley
• brand: Ultima
• mpn: 21-108
• part type: Oil Pressure Adapter

general tachometermotorcycleiz:

• Motorcycle Scooter Parts Accessories > Instruments Gauges > Instrument Gauge Parts
• condition: New

returns tachometermotorcycleiz:

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

shipping tachometermotorcycleiz:

• class: Standard
• transit: 3-7 Days
• cost: $6.99
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• type: Fixed

offer tachometermotorcycleiz:

• options: Ship-to-home
• quantity: 6
• sold: 0
• started: February 16, 2026
• availability: In Stock

seller tachometermotorcycleiz:

• rating: 99.0%
• city: Butler, Pennsylvania
• # reviews: 97214

payments tachometermotorcycleiz:

• wallet: Apple-pay
• credit card: Discover
• other