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  3. SUNNEN 4GP28-1125VB

4GP28-1125VB SUNNEN Honing Mandrel

4GP28-1125VB SUNNEN Honing Mandrel
Item Specifics
BrandSUNNEN
Manufacturer Part Number4GP28-1125VB
Country/region Of ManufactureUNITED STATES

Review SUNNEN Honing Mandrel 1.115 Inch 1.187

Introducing the SUNnen 4GP28-1125VB 4PL-1125M Honing Mandrel, a high-performance accessory designed for precision honing applications. This mandrel is engineered to work with 1.115-inch and 1.187-inch hones, making it a versatile addition to any honing setup.

The 4GP28-1125VB mandrel is manufactured using top-tier materials, ensuring durability and longevity. Its robust construction is capable of withstanding the rigors of regular use, providing dependable service even in the most demanding conditions.

Designed with a 4-plate configuration, this honing mandrel delivers exceptional accuracy and consistency. The plates are securely held in place by heavy-duty clamps, which provide even clamping pressure for optimal honing results. Additionally, the mandrel features a V-block design, allowing for easy installation and removal of the hones.

Measuring 11.25 inches in length, this honing mandrel offers ample working length, allowing for comprehensive honing of various components. Its 1-inch diameter provides a stable base for securely mounting the mandrel in your honing machine.

The SUNnen 4GP28-1125VB 4PL-1125M Honing Mandrel is an essential tool for automotive, industrial, and other industries that require precise honing processes. Its superior construction, versatility, and accurate honing capabilities make it an indispensable asset for any professional workshop or garage.

In summary, the SUNnen 4GP28-1125VB 4PL-1125M Honing Mandrel is a high-quality, durable, and versatile honing tool designed to deliver accurate and consistent honing results. Its compatibility with 1.115-inch and 1.187-inch hones, robust construction, and 4-plate configuration make it an ideal choice for various honing applications.

Pros and Cons of Buying Sunnen 4GP28-1125VB 4PL-1125M Honing Mandrel

The Sunnen 4GP28-1125VB 4PL-1125M Honing Mandrel is a popular choice for engine builders and mechanic shops due to its versatility and precision. However, like any other product, it comes with its advantages and disadvantages.

Pros:

1. Versatility: This honing mandrel is compatible with various honing machines and can be used to hone both diesel and gasoline engines. It supports four-plane honing, which helps ensure a more precise and even honing job.

2. Durability: The mandrel is made of high-quality materials, making it durable and long-lasting. It can withstand the rigors of frequent use without showing signs of wear and tear.

3. Precision: The honing mandrel delivers accurate and consistent honing results. Its precise design ensures that engine bores are honed to the exact specifications required for optimal engine performance.

4. Easy to Use: The mandrel is easy to install and use. It fits securely in the honing machine, and its intuitive design makes it simple to adjust and use.

Cons:

1. Cost: The Sunnen 4GP28-1125VB 4PL-1125M Honing Mandrel is a premium product, and its price reflects its high quality. It may not be an affordable option for small shops or individual mechanics.

2. Size and Weight: The mandrel is relatively large and heavy, which can make it difficult to transport and store. It requires a significant amount of space in the shop or garage.

3. Complex Setup: While the mandrel is easy to use once it's set up, the setup process can be time-consuming and complicated, especially for those who are not familiar with honing machines or four-plane honing.

Conclusion:

The Sunnen 4GP28-1125VB 4PL-1125M Honing Mandrel is an excellent investment for professional engine builders and shops that require precise and consistent honing results. Its durability, versatility, and ease of use make it a worthwhile investment, despite its high cost and size. For individual mechanics or small shops with limited budgets, other honing mandrels may be more suitable.

Recommendation:

If you're a professional engine builder or shop owner looking for a high-quality, precise, and durable honing mandrel, the Sunnen 4GP28-1125VB 4PL-1125M Honing Mandrel is a great choice. It may be a significant investment, but its capabilities and performance make it a valuable addition to your shop. For smaller shops or individual mechanics on a budget, consider researching alternative honing mandrels to find a more affordable option that still meets your needs.

Details:

Old part number: 4PL-1125M. Sunnen 4GP28-1125VB honing mandrel, manufacturer. The included stones are used with good life remaining, but one stone has a chipped up end. Range: 1.115 - 1.187 28,32mm 30,15mm.

The coating shows a small amount of wear and tear. New part number: 4GP28-1125VB. The included guide shoes are very lightly used. Condition: in very good used condition.

The tension blocks, stone wedge, and slot are all in great shape.

specifications lightument:

  • brand: Sunnen
  • mpn: 4gp28-1125vb
  • country/region of manufacture: United States

seller lightument:

  • rating: 99.4%
  • city: council grove, kansas
  • # reviews: 4075

shipping lightument:

  • service: usps priority mail
  • type: calculated
  • carrier: usps
  • class: expedited
  • transit: 3-8 days

payments lightument:

  • credit card: visa
  • other
  • wallet: apple-pay

general lightument:

  • category: Business & Industrial > Light Equipment Tools

offer lightument:

  • sold #: 21
  • started: july 21, 2025
  • best offers: true
  • in stock #: 5
  • availability: in stock
  • options: ship-to-home
  • prices: $90.00–$575.00
  • item condition:
    • New
    • Used

returns lightument:

  • policy: returns accepted
  • time: 30 days
  • method: money back
  • paid by: buyer
rating: 99.4% out of 100 based on 75 user ratings.
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