AK20-1187UE SUNNEN Honing Mandrel Adapter

Review SUNNEN Ak20-1187ue/ Honing Mandrel Adapter

The SUNnen AK20-1187UE/KL-1187M Honing Mandrel Adapter is an essential accessory for those using SUNnen's honing machines to hone various types of engine components. This adapter is specifically designed for use with the SUNnen AK20 honing machine and is compatible with the KL-1187M honing mandrel.

The AK20-1187UE adapter is precision-engineered using high-quality materials to ensure a perfect fit and reliable performance. It features a robust, one-piece design with a hardened steel mandrel, making it durable enough to withstand the rigors of heavy-duty honing applications.

The adapter's external threading conforms to standard industry specifications, allowing it to be easily attached to the honing machine spindle. Its internal threading is designed to accept the KL-1187M honing mandrel, which can be used to hone various engine components, including cylinder bores, crankshaft journals, and camshaft lobes.

The AK20-1187UE/KL-1187M Honing Mandrel Adapter is also characterized by its excellent surface finish, which helps to minimize honing marks and ensure a smooth, polished finish on the honed components. Additionally, the adapter's precise tolerances ensure consistent honing results, which is critical for ensuring optimal engine performance.

In summary, the SUNnen AK20-1187UE/KL-1187M Honing Mandrel Adapter is an indispensable accessory for anyone using a SUNnen honing machine to hone engine components. Its robust design, precision engineering, and excellent surface finish make it an ideal choice for professional automotive repair shops, racing teams, and other high-performance applications.

Sunnen Ak20-1187ue and Kl-1187m Honing Mandrel Adapters: A Comparison

Sunnen is a well-known manufacturer of honing equipment and accessories. This comparison will focus on two of their mandrel adapters, specifically the Sunnen Ak20-1187ue and the Kl-1187m. Both adapters are designed to be used with Sunnen honing machines. In this analysis, we will discuss their key features, pros, cons, and reach a conclusion with a recommendation.

1. Universal fit for most Sunnen honing machines

2. Designed for use with cylindrical and tapered mandrels

3. Compatible with most honing abrasive diameters (1/8" and 5/16")

4. Made of high-quality, durable materials

1. Versatile - can be used with various mandrels and abrasive diameters

2. Universal fit for most Sunnen honing machines, reducing the need for multiple adapters

3. High-quality materials ensure a long lifespan

1. Some users have reported issues with the threads not being perfectly aligned, causing leakage during honing

2. May require additional sealing components for optimal performance

1. Designed for use with specific Sunnen honing machines (AK20, AK30, AK40)

2. Compatible with cylindrical mandrels only

3. Limited compatibility with honing abrasive diameters (1/8" only)

1. Engineered specifically for certain Sunnen honing machines, ensuring optimal performance

2. Durable construction using high-quality materials

1. Limited compatibility with different mandrel types and abrasive diameters

2. Only suitable for specific Sunnen honing machines

Both the Sunnen Ak20-1187ue and Kl-1187m mandrel adapters have their unique advantages and disadvantages. If you own a Sunnen honing machine that supports the use of the Kl-1187m adapter and primarily work with cylindrical mandrels and 1/8" honing abrasives, this may be the ideal choice for you. On the other hand, if you require more versatility and work with various mandrels and abrasive diameters, the universal Ak20-1187ue adapter would be a better fit.

Based on the analysis, the Sunnen Ak20-1187ue mandrel adapter is the more versatile and recommended option for users who need compatibility with various mandrels and abrasive diameters. However, for those with specific Sunnen honing machines and cylindrical mandrels, the Kl-1187m may be the more suitable choice. Always ensure proper compatibility and sealing before use.

Details:

New p/n: AK20-1187UE. For more engine rebuilding tools and equipment, manufacturer: Sunnen. Ue-b guide shoe good used shape. For connecting rod bushings and press-fit type rods.

Sunnen AK20-1187UE/ KL-1187M honing mandrel w/ adapter, manufacturer. Old p/n: KL-1187M. Mandrel range: 1.177 - 1.250 or 29.90 31.75mm.

specifications lightument:

• brand: Sunnen
• mpn: Ak20-1187ue
• part type: Adapter
• country of origin: United States

returns lightument:

• paid by: buyer
• time: 30 days
• method: money back
• policy: returns accepted

offer lightument:

• availability: in stock
• started: december 16, 2025
• sold #: 15
• prices: $40.00–$270.00
• item condition:
  • Used
  • New other (see details)
• options: ship-to-home
• in stock #: 3
• best offers: true

seller lightument:

• rating: 100.0%
• # reviews: 4307
• city: council grove, kansas

general lightument:

• category: Business & Industrial > Light Equipment Tools

payments lightument:

• credit card: mastercard
• wallet: paypal
• other

shipping lightument:

• transit: 3-10 days
• carrier: usps
• service: usps priority mail small flat rate box
• class: expedited
• type: calculated