594439 Piston Pin Model 31 Briggs

Standard bore(3.57") Briggs Model 31 Piston. This piston comes with the rings, circlips and wrist pin.

5.175" Briggs Model 31 AVS Rod with bearing inserts. Made in the USA from domestic 7075-T6 aluminum.Fits the standard Model 31 "AVS" crankshaft with the 1.498" crank pin. It will fit the journal of...