4L60 4L60E, 4L65E, 4L70E Pinless Accumulator Piston Kit With Seals for Sonnax, 1-2 & 3-4, Replace For 77987-01K

WIDE APPLICATION - this pinless accumulator piston kit fits for Sonnax 200-4R TH200-4R TH700-R4 , for GM 4L60-E, 4L65-E and 4L70-E
DIRECT REPLACEMENT - replace for part number 77998-03K S74927K ‎62-77998-03K 7799803K 342-5806 74927K K61985 K61985L. Kit Includes 1 77987-01K piston, 1 D-ring seal, 1 PTFE seal, 2 steel balls
PROFESSIONAL DESIGN - the pinless design eliminates the possibility of pin leaks, and an additional precision steel ball to plug existing pin holes in the case or lid to ensure a precise seal. Replace with this new piston kit to improve shifting and extend the life of the belt and clutch, providing with long stable performance
STABLE PERFOEMANCE - the old plastic piston pin holes were very prone to wear due to repeated reciprocating motion, and lost fluid would cause the forward clutch to slip, resulting in jerky starts and difficulty shifting first and second gears. It is recommended that you replace it in time. This aluminum sealed pinless accumulator piston kit meets or exceeds oem standards and is factory tested to be an exact match to the original vehicle and ready to install
DURABLE MATERIAL - crafted from heavy duty steel and premium rubber for rustproof, high strength, deformation protection, great sealing, corrosion resistance. All parts are carefully selected & tested to provide stable performance and high reliability

WIDE APPLICATION - this pinless accumulator piston kit fits for Sonnax 200-4R TH200-4R TH700-R4 , for GM 4L60-E, 4L65-E and 4L70-E

Hello,