This kit upgrades the accumulator circuit with a hard-anodized aluminum piston fitted with a PTFE sealing ring. PTFE conforms better to irregularities, including bores worn slightly oval. PTFE is also more tolerant of bore glazing and uneven wear that can quickly damage or compromise a rubber seal. Also included is a calibrated OE-style ovate wire spring. The TransGo spring design matches the factory spring style maintaining the intended accumulator action while reducing spring stress for a durable, lasting repair.
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