Burris Briggs OHV Piston Kit – The Burris replacement piston kit for the Briggs OHV engine (Animal* and LO206*) is available in a wide range of sizes starting at +.002” and going through +.035” including the half sizes to allow for more rebuilds and extending the life of the engine. The Burris pistons are manufactured with a high silicon alloy to control expansion and reduce friction in the bore to maintain maximum performance levels. The piston sets come complete with piston, rings, clips and wrist pin. The supplied wrist pin does not meet the current specs as listed by WKA and IKF. Using the OEM wrist pin may be required to meet the rules as listed for your particular application. *All Burris pistons and rings are aftermarket replacement parts and not manufactured by the OEM. Reference to a particular engine type is intended to be descriptive and for identification purposes only.