Intake Valve / Briggs & Stratton 261044SPack Size:1Briggs & Stratton 261044, Briggs & Stratton 261044SESF 188-052, Foley/Belsaw 5961509, Foley/PLP 188-052, Green Meadow V15, Laser L5575, Laser 94190, NHC 266-0704, Oregon 36-506, Prime Line 7-03002, Ratio Parts 003-241, Rotary 1509, Sunbelt SB-1509, Sunbelt B1SB1509Briggs & Stratton 102000, 130200-132400, 133200 and 135200Head Diameter: 1.125 ", Length Diameter: 3.841, Stem Diameter: 0.247", Type: Intake, Face Angle Diameter: 30 Degrees, Ethanol: Not compatible with greater than 10% ethanol fuel