S&S CYCLE - 31-9905 - SH93 Engine - Vintage-Style - Custom Chassis
For riders who demand quality in every component, the S&S CYCLE 31-9905 is an engine built to the standards that experienced powersports enthusiasts recognize the moment they put it in their hands. Fits '70-'99 custom chassis with alternator-style primary. Includes Natural crankcase with black powder-coat cylinders, S&S Super Stock® cylinder heads, S&S forged pistons, S&S billet cam cover, '84-'99 style S&S 585 camshaft and tappets, S&S hydraulic valve train and roller rockers, S&S Super E carburetor with teardrop air cleaner, S&S Super Stock® single fire ignition and oil filter mount for generator location, giving you a level of quality that holds up across the full service life of the component. Model: SH-Series. Product Name: Engine. Displacement: 93”. Whatever the application demands, the 31-9905 gives you a component built to meet it. Sold individually.
Features
- Fits '70-'99 custom chassis with alternator-style primary
- Includes Natural crankcase with black powder-coat cylinders, S&S Super Stock® cylinder heads, S&S forged pistons, S&S billet cam cover, '84-'99 style S&S 585 camshaft and tappets, S&S hydraulic valve train and roller rockers, S&S Super E carburetor with teardrop air cleaner, S&S Super Stock® single fire ignition and oil filter mount for generator location
- Made in the USA
Specs
- Model: SH-Series
- Product Name: Engine
- Displacement: 93”
- Style: Vintage
- Compression Ratio: 8.5:1
- Type: SH93
- Bore Size: 3.625”
- Color/Finish: Natural
- Color/Finish: Black
- Piston Material: Forged
- Stroke Length: 4.500”
- Riding Style: Street
- Units: Each
Frequently Asked Questions - S&S CYCLE - 31-9905 - SH93 Engine - Vintage-Style - Custom Chassis
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
