Pinless design eliminates the possibility of pin bore leakage and the additional length stabilizes the piston to prevent piston cocking;Dual seals stabilize and completely seal the bore and provide a tight seal even after thousands of cycles;Pinless Accumulator Piston, Viton? D-Ring, PTFE Seal, Steel Balls (2)

• Sonnax 4L60 4L60E 4L65-E & 4L70-E Pinless Accumulator Piston Kit

Sonnax 4L60 4L60E 4L65-E & 4L70-E Pinless Accumulator Piston KitSonnax