OS Motors Exhaust Seal O-Ring (2)

This is the OS Max #21427200 Exhaust Seal Ring.
Works for the OS 12TR Engines.

FEATURES:
Made of a black rubber material.
Seals the area in between the exhaust port to the exhaust
header (manifold).
Flanged in the front for a more safe and secure seal.

INCLUDES:
Two exhaust seal rings

SPECIFICATIONS:
9mm (.35") inside size
13mm (.50") outside size