SKU: 62126241799

Z-RAM Starterkit: Powerkit.50 V2 + Z-Extension for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7.5j version 25-35J

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Description

Z-RAM Starterkit: Powerkit.50 V2 + Z-Extension for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7.5j version 25-35JPowerkit. 50 V2 + Z Extension for Umarex HDR50 TR50, export valve, Gen2 + Gen1 , 7. 5j version 25 35J Up to 25 35+ Joules For Gen1 & Gen2 (7. 5J Version) Want to turn your 7. 5J Umarex HDR50 TR50 into a true powerhouse? This 2 in 1 combo gives you everything you need: the Powerkit. 50 V2 for serious output and the legendary Z Extension for even more punch. Expect up to 35+ Joules with this setup. Built for performance, made to last. Plug & play Up to

Powerkit.50 V2 + Z-Extension for Umarex HDR50 TR50,  export valve,  Gen2 + Gen1 , 7.5j version 25-35J


🔥 Up to 25-35+ Joules | For Gen1 & Gen2 (7.5J Version)

Want to turn your 7.5J Umarex HDR50 / TR50 into a true powerhouse? This 2-in-1 combo gives you everything you need: the Powerkit.50 V2 for serious output and the legendary Z-Extension for even more punch. Expect up to 35+ Joules with this setup. Built for performance, made to last.

✔️ Plug & play
✔️ Up to 35+ Joules – even more with long barrel & HPA
✔️ Works with Gen1 & Gen2 (7.5J factory version)

 

🔧 What’s Inside

▪️ Powerkit.50 V2 for HDR50 / TR50 Gen1 + Gen2 (7.5J)
• Designed for HDR50/TR50 Gen1 + Gen2 (7.5J)
• CNC stainless steel Power-Pin
• Enlarged valve port + longer opening time
• Insert fits directly – no throttle required
• Output: 20–30J depending on setup & temp
• Drop-in ready – reversible mod

▪️Z-RAM Z-Extension
• CNC steel body – high-volume design
• Adds minimum +8 Joules output
• Even more boost with long barrels or HPA
• Stackable screw-on design
• Also fits FSC, TCP, T8.1, T9.1 (adapter required)

 

📦 In the Box
✔️ 1x Powerkit.50 V2 (Insert + Pin)
✔️ 1x Z-RAM Z-Extension
✔️ 1x O-Ring for Z-Extension (13.5 × 10 × 1.75 mm)
✔️ 1x Allen key (2.5 mm)
✔️ 1x Mounting screw

 

▶️ Watch install video on YouTube: [Link]

💥 Pro Tip:
For best performance, we recommend removing the valve disk and chamber block inside. Combine with Tuning Barrels for maximum results.

 

⚠️ Legal & Safety Notes
• Not an official Umarex product
• Installation prohibited in Germany
• May void your warranty
• Check your local laws – max. 7.5 Joules in DE
• Sale only to adults (18+)

 

▶️ Any questions? We're happy to help you build your perfect HDR50 / TR50 monster setup.

 

We have many other interesting tuning parts and ammunition for your marker!
Check out our collection and choose your marker.

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Responsible Person in the EU and Application & Safety Instructions

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 62126241799

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charscars
Omaha, US
★★★★★ 5
Very complete kit
This Kit has everything you need to change your waer pump impellor. It comes with directions that are easy to follow, but there re plenty of videos available to help. The Quicksilver kit is priced well and was delivered quickly.
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Reviewed in the United States on November 13, 2025
E
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Eric Moore
Whiting, US
★★★★★ 5
Perfect OEM fit
Fixed my impeller on my Mercury Salt Water 115. Best done as a two man job. Lots of videos available online .
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Reviewed in the United States on April 14, 2026
A
Verified Purchase
Aiden
Dallas, US
★★★★★ 4
Fits 2001 Bayliner
This product was definitely different than the original I have a 2001 Bayliner with a 3.0 MerCruiser and an alpha one second GEN drive The kit worked but the bottom gasket had a weird cut different than the original I added a gasket maker just in case (Yamaha Lube) Brand! All in all kit was fine, One thing to note is the directions that come with the kit at least for my version we’re not for the same alpha one second GEN 4 stroke kit that I got they were for a two-stroke in the pictures didn’t look the same as the parts that I had got which is fine but it’s miss leading when you send a 4 stroke kit but 2 stroke 90hp to 200hp alpha one directions! If it craps out this review will change
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Reviewed in the United States on June 30, 2020
A
Verified Purchase
Air Assault
West Palm Beach, US
★★★★★ 5
Super great product. Has the power and functionality to get you repairing fast!
Super great product. Has the power and functionality to get you repairing fast! Fully recommend this and it has worked great since I've owned it. Still going strong in the durability and design looks like it will keep it going strong for many years. Highly highly recommend buying this. Will work in Kuwait, Iraq, UAE, and Saudi. Good for Camps around the CENTCOM area!
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Reviewed in the United States on October 6, 2025
J
Verified Purchase
Jed V
Battle Creek, US
★★★★★ 5
Solid Product
worked well, easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025

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