Piston Ring Std / Briggs & Stratton 297815Pack Size:1Briggs & Stratton 297815, Briggs & Stratton 295852, Tecumseh 32595ESF 163-757, Foley/Belsaw 5961462, Foley/PLP 163-757, Green Meadow R757, Laser L5512, Laser 94141, NHC 266-9240, Oregon 36-052, Prime Line 7-03721, Rotary 1462, Sunbelt SB-1462, Sunbelt B1SB1462Briggs & Stratton 141200, 141700, 145300, 147400 and 147700; Tecumseh H70, HH70, V70 and VH70Cylinder Diameter: 2.750 ", Ethanol: Not compatible with greater than 10% ethanol fuel