1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12915277111160722
  3. BSA 65-1840

BSA 65-1840 Head Bolt Cylinder Stud Set B34

fits model: B32, 350, 500, Star.

65-1840 Bsa B32 B34 Head Bolt Cylinder Stud Set Gold Star 350 500

( Brand: Bsa ), ( Manufacturer Part Number: 65-1840 ), ( Part Type: Head Bolt Cylinder )

Review BSA B34 Head Bolt Cylinder Stud Set Gold fits STAR B32 350 500

The BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set is specifically designed for vehicles with engines requiring star head 350 and 500 series bolts. This set includes both cylinder head bolts and studs, ensuring a complete solution for your engine repair or rebuild project.

The BSA 65-1840 studs are manufactured from high-tensile material, ensuring superior strength and durability. Their B32 and B34 designations denote their specific thread pitches, making them an ideal match for British motorcycles and other vehicles with similar engine specifications. Each stud is threaded on both ends, allowing for easy installation and secure engagement with the corresponding nuts.

The head bolts in this set are similarly engineered for optimal performance. Their star head design provides enhanced torque transfer and clamping force, contributing to improved engine compression and overall performance. The bolts are also made from high-tensile material, ensuring they can withstand the rigors of extended use in a high-performance engine environment.

This BSA 65-1840 stud set is suitable for various applications, including but not limited to, motorcycle engines, marine engines, and industrial equipment. Each bolt and stud comes individually packaged for protection during storage and transportation, ensuring they arrive in excellent condition.

In summary, the BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set offers a comprehensive solution for those in need of star head bolts and studs for their 350 and 500 series engines. With their high-tensile construction, specific thread pitches, and star head design, this set is an essential tool for anyone working on British motorcycles or other compatible engines.

Pros and Cons of Buying BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set for Triumph 350/500 Motorcycles

Introduction:

The BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set is a popular replacement option for Triumph 350 and 500 motorcycles. This set includes the necessary head bolts and cylinder studs to ensure a secure engine assembly. In this article, we will discuss the advantages and disadvantages of purchasing this part.

Pros:

1. OEM (Original Equipment Manufacturer) Compatibility: This set is specifically designed for Triumph 350 and 500 engines, ensuring a perfect fit and reliable performance.

2. Improved Engine Performance: Upgrading to new head bolts and cylinder studs can lead to improved engine performance by reducing the risk of engine detonation or pre-ignition, which can cause engine damage and reduced power output.

3. Longer Service Life: The BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set is made from high-quality materials and is designed to last longer than the original parts, reducing the need for frequent replacements.

4. Peace of Mind: By using a high-quality replacement part like the BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set, you can have peace of mind knowing that your engine is securely assembled and less likely to suffer from catastrophic engine failure.

Cons:

1. Cost: The BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set can be more expensive than OEM alternatives or aftermarket options from lesser-known brands.

2. Availability: Depending on your location or supplier, it may be difficult to find this specific part in stock, leading to potential delays in your motorcycle repair or upgrade project.

3. Installation Complexity: Installing head bolts and cylinder studs can be a complex process and may require specialized tools and expertise. If you are not confident in your abilities, it may be best to seek professional assistance to ensure proper installation.

Conclusion:

The BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set offers several advantages over other options for Triumph 350 and 500 motorcycle engines. Its OEM compatibility, improved engine performance, longer service life, and peace of mind make it a worthwhile investment for those who value reliability and performance. However, its cost, availability, and installation complexity may be drawbacks for some. Ultimately, the decision to purchase this set comes down to your personal priorities and budget.

Recommendation:

If you are a Triumph 350 or 500 motorcycle owner seeking to improve engine performance, ensure reliability, and reduce the need for frequent replacements, the BSA 65-1840 B32 B34 Head Bolt Cylinder Stud Set is an excellent choice. We recommend purchasing from a reputable supplier to ensure its authenticity and availability. If cost is a concern, consider exploring aftermarket options from trusted brands or waiting for potential price drops. Additionally, ensure that you have the necessary tools and expertise to properly install the new parts or seek professional assistance.

Details:

Good condition other wise. Rest are good. See pic's.Lower 48 only. I have shown buggered flats on one stud.

part #: 651840 prices

  • $38.91-$161.02

specifications cylindermotorcycleiz:

  • for models: B32, 350, 500, Star
  • brand: Bsa
  • mpn: 65-1840
  • part type: Head Bolt Cylinder

shipping cylindermotorcycleiz:

  • cost: $7.92
  • transit: 5-13 Days
  • type: Calculated
  • class: Standard
  • carrier: USPS
  • service: USPS Ground Advantage

seller cylindermotorcycleiz:

  • rating: 100.0%
  • # reviews: 1247
  • city: Nice, California

general cylindermotorcycleiz:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

payments cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: November 5, 2025
  • options: Ship-to-home

returns cylindermotorcycleiz:

  • policy: No Returns
for models: b32, 350, 500, star, part type: head bolt cylinder,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 12915277111160722,
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3 offers $38.91–$161.02 USD
  • New other (see details). Offer #1 priced at $129.00 + $15.00 shipping estimate = $144.00* total. Fit and finish are excellent. Length 6 1/2" overall.+$15.00 shipping
  • New. Offer #2 priced at $161.02 + $27.91 shipping estimate = $188.93* total. part number these bolts are suitable for DB32/34, & DBD34 engines. (total) fully extended.+$27.91 shipping
  • New. Offer #3 priced at $38.91 + $40.32 shipping estimate = $79.23* total. +$40.32 shipping

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