Looking to take your Electra Glide to new heights of power and performance? Explore the top 7 big bore kits available for upgrading your ride. From the S&S Cycle 4 Bolt in Sidewinder Big Bore Kit to the S&S Cycle 107' Wrinkle Black Big Bore Kit, each option offers unique features to elevate your Harley Davidson experience. Whether you seek increased engine size, ease of installation, or enhanced performance, these kits have something for every rider looking to boost their ride.

Things to Note

• Consider kit compatibility for specific Electra Glide models and easy bolt-on installation.
• Evaluate performance enhancements like compression ratio and bore size for increased power.
• Ensure ease of installation with bolt-in kits and compatibility with your motorcycle model.
• Opt for engine size increase to improve performance, throttle response, and acceleration.
• Choose kits made of high-quality materials for durability, heat transfer, and optimized engine function.

S&S Cycle 4 Bolt in Sidewinder Big Bore Cylinder and Piston Kit

For riders looking to easily increase their engine size and performance, the S&S Cycle 4 Bolt in Sidewinder Big Bore Cylinder and Piston Kit offers a convenient bolt-in solution without the need for machining or splitting crankcases. This kit provides a significant engine size increase from 88in. to 100in., as well as from 96in. and 103in. to 110in., resulting in improved power and performance.

With a 10.5:1 compression ratio, this kit ensures street-friendly and reliable operation. The cylinders feature a cast ductile iron sleeve in cast aluminum, promoting superior heat transfer. Included in the kit are cylinders, forged pistons, rings, and gaskets, providing an all-inclusive solution for riders seeking a power boost.

Available in either wrinkle black or silver powder coat finish, this kit combines performance and aesthetics seamlessly.

Best For: Riders looking to easily increase their engine size and performance without the need for extensive modifications.

Pros:

• Convenient bolt-in installation without machining or splitting crankcases
• Significant engine size increase for improved power and performance
• 10.5:1 compression ratio for street-friendly and reliable operation

Cons:

• Limited to specific engine size increases (88in. to 100in., 96in. and 103in. to 110in.)
• May not be compatible with all motorcycle models
• Warranty terms and coverage details may vary

S And S Cycle M8 Models W/107 124 In124 Big Bore Kit M8 Blk 910-0681 New

When upgrading their Harley Davidson Electra Glide, riders seeking increased performance without the need for machining should consider the S And S Cycle M8 Models W/107 124 In124 Big Bore Kit M8 Blk 910-0681.

This bolt-on kit, available for both 107 and 114 M8 models, features a wrinkle black finish with non-highlighted fins and includes gaskets and required hardware. The kit boasts a 4.250in. bore, forged pistons, and a 10.5:1 compression ratio, offering a significant performance boost.

Made in the USA, this product is compatible with various Harley Davidson models from 2017 to 2020. With its quality construction and easy installation, the S And S Cycle M8 Big Bore Kit is a reliable choice for riders looking to enhance their Electra Glide's power and performance.

Best For: Riders looking to increase performance on their Harley Davidson Electra Glide without the need for machining.

Pros:

• Easy bolt-on installation without machining required.
• Quality construction with a wrinkle black finish and forged pistons.
• Significant performance boost with a 4.250in. bore and 10.5:1 compression ratio.

Cons:

• Limited compatibility with specific Harley Davidson models from 2017 to 2020.
• Non-highlighted fins may not appeal to all aesthetic preferences.
• Potential need for professional installation for some riders.

S&,S Cycle 107&Prime, Wrinkle Black Big Bore Kit 910-0500

Upgrade your ride with the S&S Cycle 107' Wrinkle Black Big Bore Kit 910-0500, designed for motorcycle enthusiasts seeking enhanced performance without the need for extensive modifications.

This bolt-on kit boasts the largest bore at 3.937' for stock engines, ensuring a power boost without requiring any machining for case or piston boring. The cylinders with 11 fins maintain an OEM shape and color while offering durability with centrifugal cast cylinder liners rated at 40,000 psi tensile strength.

The inclusion of CP pistons further enhances wear resistance, noise characteristics, and overall performance. With easy installation and all necessary components included, such as rings, wrist pins, and gaskets, the S&S Cycle 107' Big Bore Kit 910-0500 is a top choice for those looking to elevate their motorcycle's capabilities.

Best For: Riders looking to increase the performance of their stock engines without the need for extensive modifications.

Pros:

• Largest bore size for stock engines
• Easy bolt-on installation
• High-quality CP pistons for improved wear resistance and performance

Cons:

• May be costly compared to other similar kits
• Limited color options available
• Some users may prefer a different style of cylinder fins

S&S Big Bore Kit for Harley Davidson 1999-2006 Big Twin Models

Ideal for riders seeking to boost their Harley Davidson 1999-2006 Big Twin Models' performance, the S&S Big Bore Kit offers increased displacement and power without the need for extensive modifications. Manufactured by S&S Cycle, this kit boasts a bore of 3.927 inches, a stroke of 4 inches, and a displacement of 97 cubic inches.

It comes with cylinders, pistons, rings, and various gaskets, including head, base, and exhaust gaskets. The kit provides different compression ratios depending on the heads used, ranging from 9.7:1 with stock heads to 10.7:1 with S&S 79cc heads.

Installation is straightforward, requiring no boring or splitting of existing cases, but assembly should be done by a skilled technician. Made in the USA, the S&S Big Bore Kit is a popular choice among riders looking to enhance their Harley Davidson's performance.

Best For: Riders looking to increase the performance of their Harley Davidson 1999-2006 Big Twin Models without extensive modifications.

Pros:

• Offers increased displacement and power without the need for extensive modifications
• Different compression ratios available based on the heads used
• Easy installation without requiring boring or splitting of existing cases

Cons:

• Assembly requires a skilled technician
• Limited warranty coverage
• Pricing feedback submission process may not be user-friendly

S&S Big Bore Black Kit for Harley Davidson 2006-13 FXD, 2007-13 Big Twin models

For riders seeking significant power enhancement without the need for extensive modifications, the S&S Big Bore Black Kit for Harley Davidson 2006-13 FXD, 2007-13 Big Twin models is a top choice. This kit, featuring the largest bore size (3.927in.) suitable for use with stock cylinder heads, offers a straightforward installation process without the requirement for boring or splitting existing cases.

Designed with cylinders, pistons, rings, and gaskets, this kit boasts a 10:1 compression ratio with stock heads, providing a 106in. displacement and a 4 3/8in. stroke. Compatible with various Harley Davidson models including Softail, Road Glide, and Street Glide, customers have praised this kit for its performance enhancement capabilities and ease of installation.

Made in the USA by S&S Cycle, this kit comes with Amazon's 30-Day Return Guarantee and warranty support for added peace of mind.

Best For: Riders looking to increase power significantly without extensive modifications on their Harley Davidson 2006-13 FXD or 2007-13 Big Twin models.

Pros:

• Easy installation without the need for boring or splitting existing cases
• Performance enhancement capabilities praised by customers
• Largest bore size (3.927in.) suitable for use with stock cylinder heads

Cons:

• Requires a skilled technician for assembly
• Responsibility for checking all clearances and assembly specifications lies with the assembler
• Limited compatibility to specific Harley Davidson models

S&S Cycle 910-0642 Bolt-In Sidewinder 4in. Big Bore Kit – 100in. – Silver

Catering to riders seeking a straightforward performance boost without the need for extensive modifications, the S&S Cycle 910-0642 Bolt-In Sidewinder 4in. Big Bore Kit in silver offers a hassle-free solution for enhancing engine power and responsiveness.

This bolt-in kit eliminates the need for machining and features a cast ductile iron sleeve for superior heat transfer. It increases engine size to 100 cubic inches for 88 cubic inch engines, and up to 110 cubic inches for 96 and 103 cubic inch engines.

With a street-friendly 10.5:1 compression ratio, this kit includes cylinders, forged pistons, rings, and gaskets for a complete upgrade package. Available in a sleek silver finish, this kit from S&S Cycle has garnered positive feedback with a 4.6 out of 5-star rating from customers.

Best For: Riders looking to easily increase engine power and responsiveness without the need for extensive modifications.

Pros:

• Hassle-free bolt-in kit with no machining required
• Superior heat transfer with cast ductile iron sleeve
• Complete kit includes cylinders, forged pistons, rings, and gaskets for a comprehensive upgrade

Cons:

• Limited color options available (silver or wrinkle black finish)
• Specific compatibility with certain engine sizes (88, 96, or 103 cubic inch engines)
• May not offer as significant performance gains as fully customized modifications

S&S Cycle 910-0650 Bolt-In Sidewinder 4in. Big Bore Kit – 110in. – Silver

With its bolt-in design and compatibility with various Harley Davidson models, the S&S Cycle 910-0650 Bolt-In Sidewinder 4in. Big Bore Kit is a straightforward upgrade choice for riders seeking enhanced performance.

This kit features a cast ductile iron sleeve in cast aluminum for superior heat transfer, increasing engine sizes from 88in. to 100in., and from 96in. and 103in. to 110in. The 10.5:1 compression ratio adds power to your ride, and the complete kit includes cylinders, forged pistons, rings, and gaskets for a thorough upgrade.

Available in wrinkle black or silver powder coat finish, this kit isn't compatible with S&S 79cc heads. With a 5.0 out of 5 stars rating from customers, the S&S Cycle 910-0650 promises a reliable enhancement for your Harley Davidson.

Best For: Riders looking to increase engine size and power on their Harley Davidson models with a straightforward bolt-in upgrade option.

Pros:

• Bolt-in design, no machining required
• Superior heat transfer with cast ductile iron sleeve in cast aluminum
• Complete kit includes cylinders, forged pistons, rings, and gaskets for a thorough upgrade

Cons:

• Not compatible with S&S 79cc heads
• Limited color options available
• Specific compatibility with Harley Davidson models

Factors to Consider When Choosing Electra Glide Big Bore Kit

When selecting an Electra Glide big bore kit, consider factors like kit compatibility, performance enhancements, and installation considerations.

You'll want to guarantee the kit is compatible with your specific Electra Glide model and year for best results. Additionally, evaluate the potential engine size increase and the quality of materials used in the kit for a successful upgrade.

Kit Compatibility Factors

Take into account these key compatibility factors when choosing an Electra Glide Big Bore Kit for your Harley Davidson.

To start with, make sure that the kit is tailored to fit your specific Electra Glide model and year for a seamless installation process. Verify that the kit includes all necessary components such as cylinders, pistons, rings, and gaskets to prevent any missing parts during the upgrade.

Furthermore, confirm if any additional adjustments or tuning are required to accommodate the increased displacement provided by the big bore kit. It's essential to evaluate the compression ratio offered by the kit to align with your desired performance and fuel efficiency goals.

Look for kits that provide straightforward bolt-on installation without needing extensive machining or engine modifications, making the upgrade process smoother and more convenient for you.

Performance Enhancements

For best performance enhancements when choosing an Electra Glide Big Bore Kit, prioritize evaluating the compression ratio, bore size, and compatibility with your motorcycle model.

The compression ratio plays a vital role in the efficiency of the combustion process, impacting power output and engine performance. Opting for a kit with a higher compression ratio can lead to increased power and torque delivery.

Additionally, consider the bore size of the kit as it determines the total displacement of the engine. A larger bore size typically means more air and fuel mixture can be combusted, resulting in improved overall performance.

Ensuring compatibility with your specific Electra Glide model is crucial to guarantee seamless integration and efficient functioning of the big bore kit. By carefully analyzing these factors, you can select a kit that maximizes throttle response, acceleration, and overall riding experience on your Electra Glide.

Installation Considerations

Verify compatibility of the Electra Glide big bore kit with your specific model year and engine size to guarantee a smooth installation process.

Confirm that the kit matches your bike's specifications to avoid any fitment issues. Consider the level of technical expertise required for installation; some kits may require machining or splitting of crankcases, which could be challenging for beginners.

Opting for bolt-in kits that don't need extensive modifications can simplify the installation process, making it easier for DIY enthusiasts. It's important to check if the kit includes all necessary components like cylinders, pistons, rings, and gaskets for a complete upgrade.

Additionally, look for kits that offer different compression ratios to customize the performance to your preferences and riding style.

Engine Size Increase

When selecting an Electra Glide big bore kit, evaluating the engine size increase offered is vital for maximizing performance upgrades.

The engine size increase, such as shifting from 88in. to 100in. or 110in., directly impacts the power and torque potential of your bike, resulting in improved overall performance and acceleration.

This enhancement in engine displacement greatly influences the bike's power output and potential top speed.

By understanding the engine size increase provided by the big bore kit, you can effectively gauge the performance gains and identify necessary modifications for best results.

Ultimately, the engine size increase stands as an important factor in choosing the appropriate big bore kit for your Electra Glide, ensuring compatibility and achieving desired performance enhancements.

Make sure to consider the potential benefits of a larger engine size increase when aiming to elevate your ride's performance to the next level.

Material Quality

Considering the performance gains achieved through engine size increase, the material quality of an Electra Glide big bore kit becomes a vital aspect to evaluate for longevity and best functionality. Opting for high-grade materials such as cast ductile iron sleeves and forged pistons is essential to guarantee durability and reliability. These materials not only offer long-lasting performance but also possess superior heat transfer properties, aiding in maintaining peak engine temperatures.

Additionally, selecting kits with components tailored to specific performance requirements can greatly enhance overall engine function. It's important to assess the material's capability to withstand high compression ratios and intense heat to prevent premature wear or damage. By prioritizing material quality in your big bore kit selection, you can optimize the performance and longevity of your Electra Glide motorcycle, ensuring a smooth and efficient riding experience.

Warranty Coverage

Make sure you carefully examine the warranty coverage offered by the manufacturer when selecting an Electra Glide Big Bore Kit. Understanding the warranty terms is vital in protecting your investment.

Check what the warranty covers, whether it's defects in materials, workmanship, or both. Additionally, ponder the duration of the warranty to ensure it provides sufficient coverage for any potential issues that may arise.

Some warranties might've specific requirements, such as product registration or installation by a certified technician, to remain valid. By familiarizing yourself with these details, you can make an informed decision and avoid any unforeseen expenses in the future.

Frequently Asked Questions

Can I Install the Big Bore Kit Myself or Do I Need a Professional?

You can install the big bore kit yourself if you have mechanical experience and the right tools. However, if you're unsure or uncomfortable with the process, it's best to enlist a professional's help.

Working on your bike's engine requires precision and knowledge, so don't hesitate to reach out to a skilled mechanic to guarantee the job is done correctly and safely.

Will Upgrading to a Big Bore Kit Void My Warranty?

Upgrading to a big bore kit might make your warranty sprint away faster than a cheetah chasing its prey! Manufacturers often frown upon modifications that could alter the bike's original specs.

Before revving up the big bore kit, check your warranty details to see if you'll still be covered. It's like being caught between a rock and a hard place, but knowledge is horsepower, so arm yourself with information before making any modifications.

What Kind of Performance Gains Can I Expect From a Big Bore Kit?

When you upgrade to a big bore kit, you can expect significant performance gains. These kits increase your engine's displacement, resulting in more power and torque.

Your bike will accelerate quicker and have improved overall performance. It's a great way to enhance your riding experience and feel the difference on the road.

Just make sure to follow proper installation procedures to maximize the benefits of your big bore kit.

Do I Need to Make Any Additional Modifications to My Bike After Installing a Big Bore Kit?

Once you install a big bore kit, you might need to contemplate additional modifications to guarantee your bike runs smoothly. Upgrading components like the exhaust system, air intake, and fuel mapping can help optimize performance and prevent issues.

It's like tuning a guitar after changing the strings to get the best sound. Taking these extra steps can enhance your riding experience and make the most of your big bore kit upgrade.

Are There Any Specific Maintenance Requirements for a Bike With a Big Bore Kit?

To keep your bike running smoothly after installing a big bore kit, regular maintenance is essential. Check your oil levels frequently and make sure they're at the correct level.

Regularly inspect the spark plugs and air filter for any signs of wear or clogging.

Also, it's important to follow the manufacturer's recommendations for oil changes and overall servicing to maintain the best performance of your upgraded ride.

Conclusion

Upgrade your Electra Glide with one of the 7 best big bore kits available to experience improved power and performance on the road.

By considering factors like kit compatibility, installation ease, and material quality, you can enhance your ride and enjoy a smoother, more powerful driving experience.

So go ahead and take your Electra Glide to the next level with a high-quality big bore kit and see the difference for yourself!