KR4 Performance

In-House Motor Modification Shop

When it comes to Building and Modifying 2 & 4 Stroke Engines, no one comes close to KR4 Performance. Our 30 years of Racing Experience, Trackside Presence and the opportunity to work with some of the World’s Fastest Racers on the Planet has been a great help in our Engine Development process. KR4 Performance has one Goal, and that’s to provide our customers with the very Best High-Performance without the Loss of Reliability.

2 Stroke Engine Modifications & Rebuilds
4 Stroke Engine Modifications & Rebuilds
Isotropic Superfinishing Process (ISF Transmission Process)
Bottom End Blueprinting & Matching
Intake & Cylinder Head Porting
Cylinder Boring, Re-plating and Big Bore Kits
Power Valve and Exhaust Systems
High Performance Engine Components

Apply Today!

Status: Closed

Application Period: 5/28/12 - 12/16/12

Sports: Off Road Moto, Motocross

Open to: Age 13-99, Male & Female

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