It is not uncommon on 68RFE transmissions to find the underdrive balance piston snap ring blown off. When this occurs, catastrophic damage can occur to the overdrive clutch drum and underdrive hub assembly, rendering the clutch hub useless.
SunCoast has designed and manufactured a new snap ring retainer to alleviate this issue. This new 68RFE Snap Ring Retainer is manufactured from 6061-T6 billet aluminum stock. It is made .040" taller than the factory one to increase spring load. By adding additional spring load tension, we prevent expansion and blowing off, causing catastrophic damage. This retainer is also manufactured with anti-rotational tabs to ensure no movement occurs.
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