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PY-A-2834

JB Unicorn M120 Upgrade/Tune Up Kit for Model 4

Main Product Rating 4.04.0 (1 review)
JB Unicorn M120 Upgrade/Tune Up Kit for Model 4

JB Unicorn M120, Image 1JB Unicorn M120, Image 2

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Includes: M120 Spring, Reinforced Piston, Metal Spring Guide with Bearing, Aluminum Air Nozzle, 2 port Cylinder, Aluminum Cylinder Head and Piston Head.

Item Code: SDJA41 [PY-A-2834]

Average Customer Review

Rating 4.04.0 (1 review)
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Rating 4.04.0 4.0

Rating 4.04.0 4.0

Things I liked:

Nice kit. I got some torque from it for my Echo1 ASC. Air nozzle change for ASC series.

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  • Nick from USA asked:

    would this work on the tsd mil4, and if so how do you put it on?

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