Manufacturer Description

This is the Crankshaft for the O.S. Max XZ-B Speed Engine - OSMG2051
The crankshaft fits into the crankcase and the clutch nut,
    flywheel, bearings and con rod mount to this shaft.

FEATURES:
DLC coated crankshaft with silicone filled intake passage for
    improved fuel flow

INCLUDES:
One Crankshaft for the O.S. Max .21 XZ-B Speed Engine

SPECS:
Length: 76mm (2.99")
Crankshaft threading: 1/4-28
Pilot shaft diameter: 5mm (.20")
Crankshaft diameter: 7mm (.28") (flywheel position)

REQUIRES:
Diassembling engine to install Crankshaft

BOX DIMENSIONS: 2.00" W. X 1.13" H. X 3.50" L.
BOX WEIGHT: .10 LBS.