Buell Thunderstorm Black 1275 Kit ready to mount. stock style cooling fins ( see pictute small fins )
for all Buell Tube frame models S1, S3 , M2 and X1 with Thunderstorm heads 15 deg squish band
Compression 10,5:1 with 67 cc Thunderstorm cylinder head
Bore Size: 3,600
Kit includes 2 cylinders, 2 Pistons, set piston rings gaskets.
Piston rings are gapped and cylinders are pre lubed and mounted
- Sledge Hammer 3.600 Bore Iron Lined Aluminum Cylinders in
- Sledge Hammer 3.600 Bore X-Forged Pistons - the Lightest and Strongest in the Business
- Lightweight Tool Steel Wrist Pins
- Premium Quality Moly Faced Rings,
- Premium Quality .030 Head and .020 Base Gaskets (upgrade to a full top end set available)
a spark advance curve matching our specifications must be implemented to avoid piston scuffing, and use of 10R12X spark plugs is very much adviced.