This is a A-B1XT0665 CLUTCH, PTO XTREME X0665 PN: B1XT0665Main Description As Following : A-B1XT0665 CLUTCH, PTO XTREME X0665 P.N: B1XT0665 High Torque Cool Coil UpgradeHigh Temperature Bearing UpgradeReplaceable Pulley BearingSuper Smooth "Xtreme Precision" Machined PulleyUpgraded to 3 Layer "Xtreme TOUGH" Water Tight, Replaceable Wire HarnessCrankshaft: 1.125Pulley: 6.06Rotation: CWBelt: 1/ABSeries: Xtreme Torque Crossed From: GT3.5-MC07 OGURA , GT35MC07 OGURA , MA-GT3.5-MC07 OGURA , MAGT35MC07 OGURA , X0665 XTREME , 255-127 STENS , 255127 STENS Found in Section & Models : Sunbelt - Electrical > Electric PTO Clutches, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : High Torque Cool Coil Upgrade High Temperature Bearing Upgrade Replaceable Pulley Bearing Super Smooth "Xtreme Precision" Machined Pulley Upgraded to 3 Layer "Xtreme TOUGH" Water Tight, Replaceable Wire Harness Crankshaft: 1.125 Pulley: 6.06 Rotation: CW Belt: 1/AB Series: Xtreme Torque