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ASG Ultimate Upgrade CNC Aluminum Cylinder Head - Version 6 (P90 / Thompson)
by Travis C. Date Added: May 7, 2013
Put this into a JG P90 and it fit very snugly. It created a much better air seal than the stock cylinder head. paired with the ASG mushroom silent piston head it put my fps around 380 to 390 on an M90 spring. Highly recommended. 5 stars in my book

Fit perfectly
Caused better air seal

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Rating: 5 of 5 Stars! [5 of 5 Stars!]
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