S&S CYCLE - 106-3872A - Piston Kit - For Hot Set Up Kits - 4.125” +0.010” - 111”/117”/124” Engine
The S&S CYCLE 106-3872A is a precision piston kit for riders who want the reliability and performance of OEM quality, or better, without the OEM price tag. Piston kit includes set of forged pistons, rings, wristpins, and clips for a complete motor, ensuring dimensional accuracy from the first start-up. Made in the USA, which means it holds tight tolerances longer and runs cooler. Deck height is 1.050”, and fits up to 4-5/8” stroke. helps the new piston seat properly during break-in. Bore - Oversize: +0,010”. Whether refreshing a worn top-end or building a motor from scratch, the 106-3872A gives you a solid foundation for a long-lasting engine. Sold as a complete kit.
Features
- Piston kit includes set of forged pistons, rings, wristpins, and clips for a complete motor
- Made in the USA
- Deck height is 1.050”
- Fits up to 4-5/8” stroke.
Specs
- Bore - Oversize: +0,010”
- Riding Style: Street
- Bore Size: 4.125”
- Displacement: 124”
- Product Name: Piston Kit
- Units: Kit
- Displacement: 117”
- Bore Oversize: +0.010”
- Displacement: 111”
- Piston Material: Forged Aluminum
- Piston Head Shape: Flat Top
Frequently Asked Questions - S&S CYCLE - 106-3872A - Piston Kit - For Hot Set Up Kits - 4.125” +0.010” - 111”/117”/124” Engine
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.
