M40XB Short Stroke Cylinder Head

「M40XB Short Stroke Cylinder Head」 PRODUCT CODE:638359

Made of Stainless. This product gives you comfortable short cocking..It's possible to get a quick-fire. This is not for power uprating. Please attention.
Sale \ 3,351 We deem to get your agreement for the below policy when you place an order.

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Please read the below policy
We deem to get your agreement for the below policy when you place an order.
○We couldn't assure the trouble with your lack of skill.
○It may be required to adjust to fit because our custom parts reduce the clearance of normal parts to lead the best condition.
○Do not use the 3rd party products.Because we design with Normal parts or PDI-products.
　If you ignore our rule & breake up your guns、we couldn’t be responsible.
○It is possible to change the spec or design.