JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.

OS Motors Inner Head 21XZ-B Speed (OS Motors OSMG5053 | OSMG5053)
OS Motors Inner Head 21XZ-B Speed

Zoom

Model: OS Motors OSMG5053
Dist. #: OSMG5053   SKU: OSMG5053

Be the first to review this product. (Write Review)

Out of stock

Price:  $71.49

This item will earn you 71 reward point(s).
71 points = $1.42 off your next order. Learn More
Updated on Sep 28, 2025 11:25:10 PM

Inner Head 21XZ-B Speed...
This is the Inner Cylinder Moving towards use on the
O.S. Max 21XZ-B Speed Engine - OSMG2051.

FEATURES:
Aluminum building

INCLUDES:
One Inner Cylinder Head

REQUIRES:
Head Gasket - OSMG6277 or OSMG6278
Setup in between crankcase and outer cylinder head

SPECIFICATIONS:
Height: 10mm (0.39")
Diameter: 37mm (1.46")
Visual Parts Finder
What's New?
OS Motors Cylinder Liner 91HZ-R Speed 3C
OS Motors Cylinder Liner 91HZ-R Speed 3C
$121.89


OSMG7575


Add To Cart