Overstock Deal Dhm Stage 3 Package (2025+ Grom / Monkey) Accessory [gcjZaiQq]
**After purchase please email us the specs of your intake and exhaust setup****Professional install is highly recommended. Ring gaps must be set, and base gaskets must be installed properly. Setup sheet is included. The DH Motoring Stage 3 Package in
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**After purchase please email us the specs of your intake and exhaust setup**
**Professional install is highly recommended. Ring gaps must be set, and base gaskets must be installed properly. Setup sheet is included.
The DH Motoring Stage 3 Package includes the following:
Combined with your aftermarket intake and exhaust, this is the most you can get out of your Grom without doing any head work. After dyno testing we were repeatedly seeing 13hp at the wheels (SAE) run after run! The Stage 3 package makes more power than a stock Grom at every RPM and double the horsepower at 9000+ rpm! 91 octane fuel is absolutely required. Any fuel with a lower octane rating may result in engine damage!
An oil cooler and extra crankcase vents are recommended for this kit.
We offer the following crankcase vent systems:
AvailMS Crankcase Vent
What Our Customers Say
Absolutely no complaints!
This is a very clever and a very, very fine product.
- Cledwyn S..
Absolutely no complaints!
I am so glad I went ahead and then got this item.
- Math U..
Absolutely no complaints!
This has become a critical part of my kit.
- Phineas S..