BSA 40-517 Round Cylinder Head Valves

( Brand: Bsa ), ( Manufacturer Part Number: 40-517 ), ( Type: Cylinder Head )

Review BSA Vintage C15 Round Cylinder Head Valves Needs Cleaned fits SS

BSA 40-517 C15SS C15 Round Cylinder Head Valves - Precision Engine Components for Classic Motorcycles

The BSA 40-517 C15SS C15 Round Cylinder Head Valves are a testament to the enduring legacy of British engineering and a vital component for any BSA motorcycle enthusiast. These valves, designed specifically for the C15 engine, are meticulously crafted to deliver superior performance and longevity.

Each valve is precision-engineered with a round shape and a size of 15mm, ensuring a perfect fit and optimal engine functioning. The C15SS designation signifies that these valves are designed for the C15 engine, offering an authentic and compatible replacement for original BSA components.

The BSA 40-517 C15SS C15 Round Cylinder Head Valves are manufactured with high-quality materials, providing exceptional durability and resistance to wear and tear. The valves are designed to withstand the rigors of high-performance riding, making them ideal for classic BSA motorcycles that are regularly used on the road or the race track.

The valves come as a set, including the intake and exhaust valves, each with a matching valve spring and retainers. The valves are also supplied with new valve guides, ensuring a hassle-free installation process.

For classic motorcycle enthusiasts who value both the heritage and performance of their BSA motorcycle, the BSA 40-517 C15SS C15 Round Cylinder Head Valves are an essential upgrade. These valves not only restore the classic look of your motorcycle but also provide the performance and reliability needed for a smooth and enjoyable ride.

Whether you are a seasoned BSA rider looking to improve your motorcycle's performance or a newcomer restoring a classic BSA, the BSA 40-517 C15SS C15 Round Cylinder Head Valves are the perfect choice for maintaining the legacy and tradition of BSA motorcycles.

Analysis of BSA 40-517 C15SS C15 Round Cylinder Head Valves

1. Compatibility: These valves are designed for BSA C15 engines, ensuring a precise fit and optimal performance.

2. High-Quality Material: The valves are made of durable materials, which can withstand the rigorous conditions of engine operation.

3. Improved Performance: Upgrading to these valves can potentially enhance engine performance due to their design and materials.

4. Availability: They are readily available from various automotive parts suppliers, making them easy to purchase and replace.

1. Potential Fitment Issues: While designed for BSA C15 engines, there might be minor fitment issues with some engines due to variations in manufacturing.

2. Cost: Compared to standard valves, these upgraded valves may be more expensive, which could be a deterrent for some users.

3. Complex Installation: Installing these valves may require specialized tools and knowledge, making it a potentially difficult task for inexperienced mechanics.

4. Potential Performance Variations: While these valves may improve performance, the extent of the improvement can vary depending on the specific engine and other factors.

The BSA 40-517 C15SS C15 Round Cylinder Head Valves offer improved compatibility, quality, and potential performance benefits for BSA C15 engines. However, they also come with potential fitment issues, a higher cost, complex installation, and variable performance improvements. If you are comfortable with the potential challenges and willing to invest in improved engine performance, these valves could be a worthwhile investment. If not, standard valves may be a more suitable and cost-effective choice.

If you are a DIY mechanic with the necessary tools and knowledge, or if you are willing to have a professional handle the installation, the BSA 40-517 C15SS C15 Round Cylinder Head Valves could be a good choice for enhancing your engine's performance. However, if you are uncertain about your abilities or prefer a more straightforward and less expensive option, it may be best to stick with standard valves.

Details:

Its crusty and has some corrosion from poor storage, it will need cleaned. We combine shipping on multiple item orders. Please see all available pictures to ensure fitment before purchase. Feel free to ask questions.

This Head is in Barn Fresh condition.

part #: 40517 prices

• $34.06-$130.50

specifications cylinderheapar:

• for models: Ss
• brand: Bsa
• mpn: 40-517
• type: Cylinder Head

payments cylinderheapar:

• other
• wallet: Paypal
• credit card: Visa

seller cylinderheapar:

• city: Caldwell, Idaho
• # reviews: 30813
• rating: 99.6%

offer cylinderheapar:

• started: August 25, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1

shipping cylinderheapar:

• type: Fixed
• cost: $0.00
• carrier: UPS
• service: UPS Ground
• transit: 3-9 Days
• class: Standard

returns cylinderheapar:

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

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

Bsa 40-517 Is Similar To:

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