• Designed to fit behind a thick stock clutch

• Improved engineering prevents the unit from being over extended

• Works with Saginaw, T-10, Muncie, and Jerico transmissions

• Fully compressed unit is 1.688” thick, fully extended unit is 2.375” thick, providing .688” travel

• Inner diameter is 1.375”

• Pressure exceeding 1,500 psi will damage O-rings

• Works with all OEM replacement clutches

**Does NOT fit T-5 transmission without modification

to the bearing retainer**

PRP82871 is the replacement O-Ring Kit for any HOW82870 throw out bearing manufactured before April 2007