OS Engines Crankshaft Ball Bearing Front Rear Four Stroke Surpass 48 RC engines

OS FS-120 Crankcase Gasket 2 Pack NIP

Vintage Control Line Model Airplane Engine Glow Head Cox .15 Thimble Drome TD

OS FS-120 Surpass 1, 2, & 3 Crankcase Gasket 2 Pack NIP

OS FS 120 FS 120S Four Stroke Piston Ring NIP

OS 160 FT Twin Bearing set

OS FS 120s, SE Four Stroke Gasket Set Plus NIP

OS FS 120 ( Hemi ) Pre-Surpass Model Aircraft Engine Complete Screw Set ( NIP )