Briggs & Stratton Genuine Factory Part Pistons for World Formula
*(Includes Piston Rings and Wrist Pin Locks but not the Wrist Pin)
AVAILABLE IN:
Standard size Briggs World Formula Piston for 2.687" Bore (FACTORY PART #557121)
0.010" Oversize Briggs Piston Assembly for 2.697" bore (FACTORY PART #557122)
0.020" Oversize Briggs Piston Assemblyfor 2.707" bore (FACTORY PART #557123)
0.030" Oversize Briggs Piston Assembly for 2.717" bore (FACTORY PART #557124)
*for reference, please refer to Racing Performance Catalog & Reference Guide on the Briggs & Stratton website