fits model: Shovelhead. make: Harley. year: 1978.

( Brand: Harley-davidson ), ( Manufacturer Part Number: 17511-66A ), ( Part Type: Cylinder Head )
The 17511-66A Harley-Davidson Shovelhead Cylinder Heads are a vital component of the iconic Shovelhead engine, specifically used in Harley-Davidson models from 1970 to 1986. These cylinder heads, with part numbers 16587-78 and 18568-78 for the years 1978, are designed to deliver power and reliability, embodying the spirit of Harley-Davidson's rich heritage.
These cylinder heads feature an aluminum alloy construction, providing both light weight and excellent heat dissipation, which is essential for maintaining optimal engine performance under heavy usage. The heads are equipped with twin-valve intake and exhaust ports, allowing for efficient air and fuel intake and exhaust, thereby enhancing combustion efficiency and power output.
The 17511-66A Harley-Davidson Shovelhead Cylinder Heads come with rocker arms and valves, which are crucial for controlling the intake and exhaust strokes in the engine's cylinders. The heads are finished with a high-temperature, corrosion-resistant coating, ensuring longevity and durability even in harsh riding conditions.
These Harley-Davidson Shovelhead Cylinder Heads are a direct replacement for worn-out or damaged original parts, ensuring that your motorcycle retains its original character and performance while offering improved reliability and longevity. The 17511-66A cylinder heads are highly sought after by Harley-Davidson enthusiasts and custom builders, making this a valuable investment for any Shovelhead owner.
Pros of buying 17511-66A Harley-Davidson Shovelhead Cylinder Heads and Rockers (1978):1. Authentic Parts: These are original Harley-Davidson parts, ensuring a perfect fit and match with your 1978 Shovelhead engine.
2. Quality and Durability: OEM parts are known for their high-quality materials and construction, which can contribute to improved engine performance and longevity.
3. Compatibility: These parts are specifically designed for 1978 Shovelhead engines, ensuring they will work seamlessly with your motorcycle.
4. Restoration: If you're restoring a classic Harley-Davidson, these OEM parts can help maintain the original look and feel of your bike.
Cons of buying 17511-66A Harley-Davidson Shovelhead Cylinder Heads and Rockers (1978):1. Expensive: Original Harley-Davidson parts can be more expensive than aftermarket alternatives.
2. Limited Availability: Due to their age, these parts may be harder to find and could lead to longer waiting times for delivery.
3. No Upgrades: These parts do not offer any performance upgrades or modifications compared to aftermarket options.
4. Installation Challenges: Installing OEM parts may require more expertise and specialized tools than aftermarket alternatives, potentially leading to higher labor costs.
Conclusion:If you're looking for an authentic and high-quality replacement for your 1978 Shovelhead engine, the 17511-66A Harley-Davidson Shovelhead Cylinder Heads and Rockers could be an excellent choice. The benefits of using OEM parts include their perfect fit, compatibility, and potential for improved engine performance and longevity. However, consider the higher cost, potential limited availability, and installation challenges before making a purchase. If budget is a primary concern, you may want to explore aftermarket alternatives, which can offer similar performance at a lower price point.
Recommendation:For those who prioritize authenticity and want to stick to original Harley-Davidson parts, 17511-66A Harley-Davidson Shovelhead Cylinder Heads and Rockers (1978) are a great option. For those who want to balance cost and performance, researching aftermarket alternatives could provide more affordable solutions without compromising on quality.
Flat rate shipping reflects third party pro packing. Cylinders need to be honed. See photos for condition.
Offered for cores, one head has a broken fin. We did not see any damage other than normal wear on the pistons that were in same box as these parts.