fits model: Sportster. make: Harley. year: 1991–2003.

( Brand: S&s Cycle ), ( Manufacturer Part Number: 90-1310 ), ( Part Type: Cylinder Head ), ( Surface Finish: Natural ), ( Country/region Of Manufacture: United States )
This is a high-quality, remanufactured 90-1310 cylinder head designed specifically for Harley-Davidson Sportster models from 1991 to 2003, including the 3-1 and 3-5 variants. This cylinder head is meticulously rebuilt to OEM specifications, ensuring a perfect fit and optimal performance.
The cylinder head features fully reconditioned combustion chambers, new valve seats, and refurbished valves, ensuring a smooth and reliable combustion process. The valve guides are precision-machined for a perfect fit, and the valve springs are replaced with new ones to ensure proper valve control.
The cylinder head also includes new, high-quality components such as new valve covers, rocker arms, and pushrods. The intake and exhaust ports are carefully machined to provide optimal air and fuel flow, resulting in improved engine performance and efficiency.
The cylinder head is also coated with a high-temperature ceramic coating, which provides excellent heat resistance and protection against corrosion. This coating also helps to reduce heat transfer to the cylinder head, improving engine cooling and reducing the risk of engine overheating.
Overall, this 90-1310 cylinder head is a high-quality, reliable replacement for your Harley-Davidson Sportster. It is meticulously rebuilt to OEM specifications, ensuring a perfect fit and optimal performance, and includes high-quality components to ensure reliable operation for years to come.
Pros of buying a 90-1310 1991-03 Harley-Davidson Sportster 3-5 cylinder heads:1. Affordability: These cylinder heads are relatively inexpensive compared to newer models or aftermarket options.
2. Availability: Since these are OEM (Original Equipment Manufacturer) parts, they are widely available from various sources.
3. Compatibility: They are designed to fit perfectly with your specific Harley-Davidson Sportster model, ensuring proper fit and function.
Cons of buying a 90-1310 1991-03 Harley-Davidson Sportster 3-5 cylinder heads:1. Age and Wear: Being used parts, these cylinder heads may have some wear and tear, which could impact their performance.
2. Quality: Depending on the source, the quality of these used cylinder heads can vary. Some may be well-maintained, while others may have seen little or no maintenance.
3. Limited Performance Upgrades: Since these are OEM parts, they may not offer the same performance upgrades as aftermarket cylinder heads.
Conclusion: If you're looking for an affordable, reliable replacement for your Harley-Davidson Sportster's cylinder heads, then a used 90-1310 1991-03 part could be a viable option. However, it's essential to thoroughly inspect the part for wear and tear before purchasing, as well as to ensure that it comes from a reputable source for better quality. While aftermarket parts might offer more performance upgrades, the cost and compatibility of OEM parts can make them a more attractive option for some riders. Ultimately, your decision should be based on your budget, your expectations for performance, and your comfort with using used parts.
Compatible with stock or bore engines. All products are warranted against manufacturers defects.
Many of our manufacturers handle claims directly to speed up the process of exchange or sending replacement parts. Compatible with cams with lifts up.
Natural aluminum finish. Shipping information shipping is free for most items to the lower 48 USA.
Order appropriate gasket kits separately for your specific bore size.