Engine Crankcase Kit (Nickel Würks)

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2 & 4 Stroke ATV & Dirtbike Engine Crankcase Bolt Kit (Nickel Würks)

Upgrade your 2 or 4 stroke engine's crankcase bolts with Specbolt Nickel Würks 10.9 grade high performance fasteners. These bolts rival the great looks of titanium with the strength of 10.9 heat treated steel. A combination that cant be beat. Used by some of the top engine builders out there like Tom Morgan and Rob Selvey to name a few.


Picture Shows:
7 - M6x50 Bolts
3 - M6x70 Bolts
1 - M6x60 Bolt
1- M12 Drain Washer

All bolts are in our "Nickel Würks" series and are 10.9 grade with strong heat treated nickel finish

Photo that is shown is a general set.
Please include your bike model and year in the notes section when you place your order so that we can include all the right bolts for your bike or ATV

Looking for a specific fastener? See our individual fasteners category to find your fasteners.

Learn how to measure a bolt here

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  • 3
    Wrong size

    Posted by Dusty on Jun 23rd 2020

    I was sent the wrong size bolts. I needed 50mm but received 55mm. After trying to contact someone about the problem, I recieved no response.

    Quality product but received the wrong size.