FX Impact Mk3 and Mk4 Power Block Kit
£122.95 £102.46 ex.vat
The FX Impact Power Block kit allows you to transform Mk1 and Mk2 models with the higher capacity air volume for increased performance and speeds. *Note the kit includes the power block only. For a full conversion you will require the Power Plenum kit also.
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Why Buy From Us
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Best prices available — contact us
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Free UK delivery £95+
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Finance options available
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Secure, encrypted checkout
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Apple, Google & Paypal payment
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DPD next-day delivery
UK-based retailer • Authorised dealer • Manufacturer-backed warranty
UK authorised dealer • Manufacturer-backed warranty
2 units left in stock
Expert Advice & Support
FX Impact Power Block Kit – Full
The FX Impact Power Block kit for the Impact MKI & MKII provides your MKI or MKII Impact with the Power Block, which is already in use on newer M3’s.
The Power Block provides better valve flow and delivers more power, great for use with heavier slugs on long distances.
This variant for the MKI and MKII comes with an extensive Power Plenum kit.
Does your MKI/MKII already have a Power Plenum installed? In this case, purchasing just the reduced item Power Block kit for FX Impact M3 variant is sufficient.
This FX Impact Power Block Kit for Impact MKI & MKII consists of the parts listed below:
- 10337: Valvetube 720cc Power Plenum Impact M3
- 20671: Valvehouse, Impact, Big Plenum
- 20670U: Power Block with serial number
- 10mm Power Block Allen Grub
- NBR 70 Oring x1
- NBR 90 Oring x3
- 5110: Rubberball 4,75 NBR75
Note this kit DOES NOT include the valve rod, valve stop adjuster, hammer spring, hammer weight, power plenum spigot, etc.
| Brand | FX Airguns |
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Richard (verified owner) –
Great parts fitted a treat……great company to do business with fast no messing delivery would definitely go to for parts again. Many Thanks.