S&S CYCLE - 900-0354 - 106” Hot Set Up Kit - 3.967” Bore - Wrinkle Black - Twin Cam
Whether restoring a machine to factory spec or building something better, the S&S CYCLE 900-0354 gives you a performance kit that meets the demands of serious street use. Increased fin area for better heat dissipation. Increase bore size from 3.750” to 3.927”, giving you a level of quality that holds up across the full service life of the component. 4.375” stroke, 10.0:1 compression with stock heads. Easy installation; no machining or rebalancing required. Forged coated pistons are compatible with stock or S&S Super Stock 79cc and 89cc heads. The 900-0354 is the kind of component that earns its place in any build or repair by doing exactly what it is supposed to, every time. Sold as a complete kit.
Features
- Increased fin area for better heat dissipation
- Increase bore size from 3.750” to 3.927”
- 4.375” stroke, 10.0:1 compression with stock heads
- Easy installation; no machining or rebalancing required
- Forged coated pistons are compatible with stock or S&S Super Stock 79cc and 89cc heads
- Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams
- 11 fins and full fin pattern on cam side of cylinders closely resembles OEM shape
- Kit includes; S&S cylinders with gaskets, piston set with rings, top end gasket kit, pushrods, tappets, 585CE chain-drive easy start cams and instructions
- A fuel system is not included
- Made in the USA
- EFI system must be recalibrated.
Specs
- Displacement: 106”
- Color/Finish: Wrinkle Black
- Stroke Length: 4.375”
- Units: Kit
- Bore Size: 3.927”
- Compression Ratio: 10.0:1
- Product Name: Performance Kit
- Style: Big Bore
- Type: Engine
- Model: Hot Set Up®
- Cam Drive Type: Chain
- Features: Chrome Pushrod Tubes
- Riding Style: Street
Frequently Asked Questions - S&S CYCLE - 900-0354 - 106” Hot Set Up Kit - 3.967” Bore - Wrinkle Black - Twin Cam
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.
