1. Shop Equipment & Supplies For Sale
  2. sku: 12729771895656563
  3. SUNNEN 3G-P20-625AS

SUNNEN 3G-P20-625AS Stone Honing Mandrel .619 .656

3g-p20-625as Sunnen 3 Stone Honing Mandrel .619 Inch - .656 And Stones

( Brand: Sunnen ), ( Manufacturer Part Number: 3G-P20-625AS ), ( Country/region Of Manufacture: United States )

Review SUNNEN Stone Honing Mandrel .619 Inch .656 And Stones

The Sunnen 3G-P20-625AS Stone Honing Mandrel is a premium tool designed for professional use in automotive engine rebuilding and maintenance. This mandrel is specifically engineered to work with 619 656 series stones, making it an essential addition to any engine shop or rebuilding project.

The mandrel is constructed from high-quality materials, ensuring durability and reliability. Its 3-piece design allows for easy disassembly and assembly, making it simple to change stones or adjust the mandrel for different applications. The mandrel's tapered design provides even pressure distribution across the stone, ensuring consistent honing results and improved engine performance.

The Sunn 3G-P20-625AS Stone Honing Mandrel features a precision-machined bore that accommodates both 1-inch and 1-1/16-inch honing rods. This versatility allows users to switch between rods easily, depending on their specific honing requirements. The mandrel also includes a built-in coolant passage to keep the stones wet during the honing process, reducing the risk of overheating and ensuring optimal performance.

The mandrel's smooth, polished surface ensures easy stone placement and reduces the risk of damage to the stones during use. Its robust design also makes it suitable for use with a wide range of engines, including those with large bore sizes and high horsepower outputs.

In summary, the Sunn 3G-P20-625AS Stone Honing Mandrel is a high-performance tool designed for professional engine builders and rebuilders. Its versatile design, durability, and ease of use make it an indispensable addition to any engine shop or rebuilding project, ensuring consistent honing results and improved engine performance.

Pros and Cons of Buying Sunnen 3G-P20-625AS Stone Honing Mandrel with 619 656 Stones

The Sunnen 3G-P20-625AS stone honing mandrel with 619 656 stones is a popular choice among automotive enthusiasts for engine block honing. Let's explore the advantages and disadvantages of investing in this product.

Pros:

1. Superior Honing Performance: The Sunnen mandrel and stones are known for their superior honing ability. They effectively remove engine scuffs, and their fine grit ensures a smooth and polished engine surface.

2. Durable and Long-lasting: The mandrel and stones are made of high-quality materials, ensuring durability and long-lasting use.

3. Versatile: The Sunnen 3G-P20-625AS mandrel is compatible with various engine types, making it a versatile tool for automotive enthusiasts and professionals.

Cons:

1. High Cost: Compared to other honing kits on the market, the Sunnen 3G-P20-625AS mandrel and stones can be quite expensive.

2. Requires Skill: Honing an engine block is a complex process that requires a certain level of skill and experience. Inexperienced users may find it challenging to use this mandrel effectively.

3. Time-consuming: Honing an engine block can be a time-consuming process, especially for larger engines.

Conclusion:

The Sunnen 3G-P20-625AS stone honing mandrel with 619 656 stones is an excellent choice for those seeking professional-grade engine honing results. Its superior honing performance, durability, and versatility make it a worthwhile investment for automotive enthusiasts and professionals. However, its high cost, the need for skill, and the time-consuming process are important considerations before making a purchase.

Recommendation:

If you are an experienced automotive enthusiast or a professional looking for high-quality engine honing results, the Sunnen 3G-P20-625AS stone honing mandrel with 619 656 stones is an excellent investment. If you are new to engine honing or have a limited budget, it may be worth considering other, more affordable options. Always ensure you have the necessary skills and experience before attempting to hone an engine block.

Details:

USED SUNNEN 3G-P20-687AS / 3ML-625 3 STONE MANDREL WITH A DIAMETER RANGE OF .619 to .656. I ALSO HAVE SEVERAL OTHER 3G-P20-687 3 STONE MANDRELS. AS WELL MANY OTHER DIFFERENT DIAMETER length P20 P28 MANDRELS AVAILABLE IN VARIOUS CONDITIONS. ALSO INCLUDED ARE 3 GOOD USED ML-7 / P20-J47 150 grit SILICON CARBIDE HONING STONES.

part #: 3gp20625as price

  • $16500.00

specifications shopequipm:

  • brand: Sunnen
  • mpn: 3g-p20-625as
  • country/region of manufacture: United States

shipping shopequipm:

  • carrier: USPS
  • class: Standard
  • type: Fixed
  • transit: 3-6 Days
  • service: USPS Ground Advantage
  • cost: $15.00

general shopequipm:

  • Automotive Tools Supplies > Shop Equipment Supplies > Other Shop Equipment
  • condition: Used

returns shopequipm:

  • policy: No Returns

payments shopequipm:

  • wallet: Google-pay
  • other
  • credit card: Diners-club

seller shopequipm:

  • # reviews: 1147
  • rating: 100.0%
  • city: New Hampshire

offer shopequipm:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: June 7, 2025
country/region of manufacture: united states,
category: auto parts > tools supplies > shop equipment supplies > shop equipment, sku: 12729771895656563,
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1 offer $16500.00 USD
  • Used. Offer #1 priced at $16500.00 + $Calculated shipping estimate = $16500.00* total. Honing Oil Filter - Honing Oil Filter.13"(L-R) x 29"(F-B) x 33"(H). Sunnen PF-150 honing oil filter unit.+$Calculated shipping

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