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Valve seal size ?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by River, Sep 26, 2000.

  1. River

    River 1/2 ton status

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    Location:
    Amstelveen, Netherlands
    I want to order valve seals (umbrella type) from summit. On their site are two sizes one is 3/8 and the other one is 11/32.
    Wich one do i need for a `90 350 TBI engine it`s the original engine?

    Greetings from Amsterdam,

    River `90 K5, 350, TH700R4, NP241, "33, 3.08, 10 bolt F, 10 Bolt R(GOV-Lock)
     
  2. Wheels

    Wheels 1/2 ton status

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    Location:
    Native Floridian living in Oklahoma, USA
    If it is original, it should be 11/32. 3/8 are usually aftermarket race type valves.
     

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