I have a set of SRP Pistons that have one season on them. They were taken out to change the combo. Nothing wrong with them clean the carbon and would look like new. 4.00 std bore, Domed 1.25 pin height for a 6" rod 3.48 stroke. $175.00 will get pics up shortly. Contact David Mallow 573-576-5162 or dwl.mallow@sbcglobal.net