Needle Valve Kit / Briggs & Stratton 99525SPack Size:1Briggs & Stratton 99525, Briggs & Stratton 99525SESF 116-083, Foley/Belsaw 5979438, Foley/PLP 116-083, Laser 98363, NHC 262-4130, Prime Line 7-02327, Rotary 10941, Sunbelt BR-64, Sunbelt B1BR64Briggs & Stratton 170400-190400, 220400, 221400, 243400, 252400, 254400, 300400 and 302400Ethanol: Not compatible with greater than 10% ethanol fuel