Sonnax piston plate GM-DA-17P, when used with solid, flat head rivets GM-RV-13, replaces failed plates in GM 6L80, 6L90 (300mm) converters.
Steel-forged for enhanced strength and durability
Lockup surface machined to specific requirements to ensure a solid bond
To complete this assembly you will need a GM 6L80/6L90 (300mm) damper assembly, Sonnax piston plate GM-DA-17P, six Sonnax GM-RV-13 rivets and a friction ring. Sonnax strongly suggests using the OE woven carbon friction material, available exclusively through Sonnax, part number S20750WC.