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Ross pistons for a 572" (4.505borex4.5stroke with a 7.1rod) but can be used for a 540" (4.250strokex6.535rod) They are flat top with a nice valve relief for a typical .800" lift cam and 2.25" intake. They are NEW. For standard type "440-1 heads". Build sheet with pics $600.
Ross pistons for a 572" (4.505borex4.5stroke with a 7.1rod) but can be used for a 540" (4.250strokex6.535rod) They are flat top with a nice valve relief for a typical .800" lift cam and 2.25" intake. They are NEW. For standard type "440-1 heads". Build sheet with pics $600.
