Z-RAM's product photo shows several components. The current delivery list specifies one valve pin and one 2.5 mm Allen key.
Z-RAM's current Powerkit.68 V2 description for the Umarex HDB68/TB68 lists the 16-J and 40-J versions as well as the 7.5-J version named in its heading. The current delivery list is one V2A stainless-steel valve pin and one 2.5 mm Allen key. This is the specific pin-and-key offer described by the compatibility statement.
Valve-pin fit and restrictor fit are separate questions
Z-RAM has confirmed the valve pin's fit for a 16-J Gen2 HDB68/TB68. That confirmation does not cover a separate restrictor, whose fit remains unconfirmed. The current Powerkit.68 V2 offer does not include a separate restrictor in its delivery list.
For a pin-and-key purchase, the relevant distinction is therefore the identity of the pin being supplied. A confirmation for that part does not establish the fit of other components or every possible Gen2 configuration. A separate restrictor should not be treated as an included item or as a confirmed matching part.
Powerkit V2 is not the same product name as Modify PIN Gen2
The shop also has separate Modify PIN Gen1 and Modify PIN Gen2 offers. Those generation labels identify the two Modify PIN listings. The V2 designation belongs to the Powerkit.68 V2 offer; it is not another name for Modify PIN Gen2.
This matters when comparing similarly named parts: use the complete product name together with the HDB68/TB68 model and its generation. The shared word “pin” or the appearance of the number 2 does not make the three offers interchangeable. Their separate product pages identify what each offer is; no combination of the products follows from their names.
Product details and availability
Z-RAM NEW ! ! Powerkit.68 V2 for Umarex HDB68 TB68 (7,5j Version), export valve V2A (50Joule+)
The current HDB68/TB68 Powerkit.68 V2 offer: one V2A valve pin and one Allen key.
View the current Powerkit V2
Modify PIN for Gen1 HDR50, HDP50, HDR68, HDB68, TR50 TP50 TR68 TB68
Separate Modify PIN listing labelled Gen1; not another name for Powerkit.68 V2.
View the Gen1 listing
Modify PIN for GEN2 HDR50, HDP50, HDR68, HDB68, TR50 TP50 TR68 TB68
Separate Modify PIN listing labelled Gen2; keep its generation-specific identity intact.
View the Gen2 listingExplore the Z-RAM product categories
A separate Z-RAM short introduces the shop’s parts categories. It is general browsing context, not an explanation of the HDB68/TB68 Powerkit V2 or its contents.
▶ Play on YouTubeThe Ultimate Shop for RAM Tuning Parts: Ammo, Valves, Chambers, and More HDR50 TR68 FSC TCP
Channel: Z-RAM
The wider Z-RAM parts range
A separate short introduction to the shop’s broader model and parts range.
▶ Play on YouTubeFind the Best Umarex T4E Parts at Z-Ram.net . HDR68 TR50 HDP50 TS68 Pepperball First Strike
Channel: Z-RAM
Important Legal Notice
Laws and regulations governing the purchase, possession, installation, modification, and use of the products described on this page vary by country, state, and local jurisdiction and may change. Before purchasing, installing, modifying, or using any product, you are responsible for confirming that it is permitted in your location and for your intended purpose. Product availability or delivery does not mean that purchase, possession, installation, modification, or use is lawful in your jurisdiction. Z-RAM does not provide legal advice, and the information on this page must not be treated as legal advice. If you are unsure, contact the competent local authority or a qualified legal professional.