Valve bore plugs on Honda/Acura 4-speed, 3-shaft and 5-speed valve bodies wear and allow critical CPC and solenoid feed oil to leak to exhaust, leading to low CPC pressures and soft or inconsistent shifts. Sonnax O-ringed end plug kit 98892-01K replaces the worn OE end plugs and restores critical circuit pressures. Drop-in Zip Valve™ parts install quickly and easily.
See instructions for details on end plug bore fitment.
Learn More About Zip Valve™ Drop-In Repairs

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