UA23075 New Head Bolt---Replaces 224730, 236531, ACS4476

Replaces number 224730, 236531, ACS4476

1/2"-13 UNC Diameter---4-11/16" Length---Grade 8

Fits: (WC, WD, WF all with engine SN:28900 and up), 170, 175, WD45 Gas, WD45 LP

For Gas Tractors