245mm LU Euro (5L40-E), 258mm LU (4L60-E, 5L40-E), 258mm LU (4T65-E), JF011E (RE0F10A), ZF5HP19 (Captive Clutch)

Friction Ring
Part No. B66300HTS

  • Material: HTS
  • Thickness: 0.066"
  • Inner Dia.: 8.250"
  • Outer Dia.: 9.500"

Where to Buy

  • Existing Customers: Contact your sales representative.
  • New Customers: Fill out the form and a sales representative will contact you.
  • 245mm LU Euro (5L40-E), 258mm LU (4L60-E, 5L40-E), 258mm LU (4T65-E), JF011E (RE0F10A), ZF5HP19 (Captive Clutch) Friction Ring B66300HTS

Bonding Pressure Calculator

Enter the details of your bonder's ram/piston and the friction ring you are bonding into the calculator here to find the piston pressure required to create the desired pressure at the ring.


Piston Pressure Required:

Minimum Pressure:

Maximum Pressure:

Torque converter clutch material is engineered by the OEMs to operate in conjunction with vehicle computer programming. To meet the varied needs of the aftermarket, Sonnax strives to offer a full line of friction products in a wide variety of sizes and materials. Rebuilders should choose the product that best matches their specific vehicle requirements.

Materials Designed for Slip Converters

  • HTS - Designed for high-thermal capacity applications. Replaces spun-wound, woven or other carbon-based materials.
  • WC - Genuine OE woven carbon material developed by OEMs for continuous slip GM and Ford applications.

Materials Designed for Full Lockup Converters

  • HTE - Thermal capacity of Kevlar®, with improved consistency and shudder resistance.
  • HTL - High thermal and exceptional torque capacity for the most demanding torque-holding applications.
  • XTL - 30% More torque holding capacity than HTL. Available only for a small range of extreme-duty lockup applications.
Learn more about Friction Rings