O.S. 21XZ-B Speed Piston & Sleeve Set
O.S. 21XZ-B Speed Piston & Sleeve Set

O.S. 21XZ-B Speed Piston & Sleeve Set

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Your Price: $169.99
Part Number: OSM22423000
Brand: OS Engines
Availability: In Stock.

This is the Piston and Cylinder Assembly for the O.S. 12XZ Engine (OSMG2051)

FEATURES: ABC cylinder liner construction, "A"luminum piston with "B"rass liner
that is "C"hrome plated, Non-ringed, three intake ports for smoother acceleration

INCLUDES:
One Piston,
One Sleeve

REQUIRES:
Assembly into engine. Line up the notch on sleeve with pin on

crankcase.

SPECS:
Total cylinder sleeve length: 31.2mm (1.23")

             Bore: 16.3mm (0.6")
             Total ports: 4

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