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OS Motors Cylinder & Piston Assembly 12XZ Speed Spec 3 (OS Motors OSMG4816 | OSMG4816)
OS Motors Cylinder & Piston Assembly 12XZ Speed Spec 3

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Model: OS Motors OSMG4816
Dist. #: OSMG4816   SKU: OSMG4816

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List Price:  $133.99
Price:  $114.99
You Save:  $19 (14%)

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Updated on Sep 28, 2025 12:45:38 AM

Cylinder & Piston Assembly 12XZ Speed Spec 3...
This is the Cylinder and Piston
for the OS Engines 12XZ Speed Spec III Engine.

FEATURES:
Upgraded port angles in cylinder liner for better air/fuel circulation
Piston has tapered surface area with anxiety in the middle for better
    air/fuel circulation

CONSISTS OF:
Cylinder Liner and Piston, essential #4
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What's New?
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