KB PERFORMANCE - KB661LCA.STD - Super-Duty Piston Kit - '07-'17 Harley-Davidson Electra Glide Ultra Classic Low, Electra Glide Ultra Limited
KB Performance's Super-Duty Piston Kit for '07-'17 Harley-Davidson engines uses a skirt coating applied across the full piston-to-wall clearance, starting at zero install clearance and abrading in during break-in for a per-cylinder fit that eliminates piston rock. The hard-anodized top ring groove and crown add ring-seal consistency and resistance to heat and alcohol-fuel corrosion. Pistons, rings, pins, and clips are included. Made in the USA.
Features
- New skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install clearance; coating then abrades in on start-up to hone for the perfect fit per cylinder
- Hard anodized top ring groove eliminates micro welding of the ring to the groove; this maintains a flat and smooth surface for the best ring seal and top ring groove
- Skirt coating eliminates piston rock for the best possible ring seal with no piston slap noise
- Hard anodized crown to aid in heat deflection and to reduce corrosion from alcohol fuels
- Includes pistons, rings, pins and clips
- Made in the USA
Specs
- Bore - Oversize: Standard
- Compression Ratio: 10.0:1
- Displacement: 110"
- Stroke Length: 4.375"
- Style: Forged
- Units: Kit
- Bore - Oversize: Standard
- Piston Head Shape: Domed
- Bore Size: 101.60 mm
- Piston Material: 4032 Aluminum Alloy
- Ring Material: Moly Coated
- Model: Super Duty
- Riding Style: Street
- Skirt Coating: Line2Line
- Product Name: Piston Kit
Frequently Asked Questions - KB PERFORMANCE - KB661LCA.STD - Super-Duty Piston Kit - '07-'17 Harley-Davidson Electra Glide Ultra Classic Low, Electra Glide Ultra Limited
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.
