S&S CYCLE - 920-0148 - Big Bore Piston Kit - 131” - +.010 - M8
When it is time for a top-end rebuild, the piston you choose sets the ceiling on everything that comes after, and the S&S CYCLE 920-0148 delivers the precision that serious riders and race mechanics expect. Piston kit includes set of pistons, rings, wristpins, and clip, ensuring dimensional accuracy from the first start-up. Compression ratios listed are approximate and are calculated using the correct length cylinders as specified by S&S, which means it holds tight tolerances longer and runs cooler. Bore - Oversize: +0,010”, and displacement: 131” helps the new piston seat properly during break-in. Bore Size: 4.250”. Whether refreshing a worn top-end or building a motor from scratch, the 920-0148 gives you a solid foundation for a long-lasting engine. Sold as a complete kit.
Features
- Piston kit includes set of pistons, rings, wristpins, and clip
- Compression ratios listed are approximate and are calculated using the correct length cylinders as specified by S&S
Specs
- Bore - Oversize: +0,010”
- Displacement: 131”
- Units: Kit
- Bore Size: 4.250”
- Product Name: Piston Kit
- Style: Big Bore
- Bore Oversize: +0.010”
- Piston Head Shape: Dished
- Riding Style: Street
- Stroke Length: 4.625”
Frequently Asked Questions - S&S CYCLE - 920-0148 - Big Bore Piston Kit - 131” - +.010 - M8
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.
