O.S. Inner Head 12XZ Speed Spec 3

Tower Stock# OSMG4870  •  Manufacturer Stock# 21654120
Notes from our tech department:
This is the Inner Head
for the OS Engines 12XZ Speed Spec III Engine.

FEATURES

Aluminum construction
Installs between crankcase and outer head

INCLUDES

Inner Head, key #2

jxs 02/05/13
ir/jxs

Resources

References

Manufacturer Contact Information