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401 Pistons for about 9.5:1 ratio with 291c (51cc) heads?
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Thread: 401 Pistons for about 9.5:1 ratio with 291c (51cc) heads?

  1. #1
    Bulltear forum member Cook
    Join Date
    Mar 2010
    Posts
    21

    401 Pistons for about 9.5:1 ratio with 291c (51cc) heads?

    I am looking to purchase a set of 291c (51cc) heads for my 401 build. I am looking for 9.5:1 CR for my build. I could go slightly higher, but I want to still run on pump gas (premium would be o.k.).

    Any suggestions of 401 pistons for my build?

    Thanks.

  2. #2
    Thank you from BT ULTIMUS MAXIMUS STATUS jeepsr4ever's Avatar
    Join Date
    Dec 2002
    Location
    Minnesota
    Posts
    10,042
    Bulltear sells a killer forged piston for the 401 in forged for $610 with pins. There are some castings available that may get you close however the current castings arent durable.
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  3. #3
    Bulltear forum member New to the forum
    Join Date
    May 2011
    Location
    Macedonia
    Posts
    1

    Smile 291c heads for sale

    Fresh valve job. New: valves,guides,seats,double springs. Stock valves. No porting done. $1000.

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