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Re: Valve seals for a 87 chevy p/u 4.3l engine.
Posted to Technical Tips Forum on 2/27/2000

Willard,

I always use the positive locking seal on both intake and exhaust valves I recently did a chevy van -book time 8.5 hrs. so I did not want any problems. When I ordered seals NAPA had different numbers for intake and exhaust. They were both positive t... Login to read more.