- Fits 70-99 chassis with alternator-style primary
- S&S Super E carburetor
- S&S hydraulic valve train and roller rockers
- S&S Super Stock™ single fire ignition system
- Includes oil filter mount for generator location
- 3-5/8" bore x 4-1/2" stroke
- 8.5:1 compression ratio
- Natural crankcase with black powder-coat cylinders
- 2 Year warranty**
- Bore Size: 3,625" / 3.625"
- Stroke Length: 4-1/2"
- Compression Ratio: 8,5:1 / 8.5:1
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