fits model: Fl, Shovelhead, Twin. make: Harley, Davidson.

( Brand: Manley ), ( Manufacturer Part Number: 99342 ), ( Items Included: Piston Rings ), ( Type: Piston Ring Set ), ( Cylinder Bore Diameter: 3.5 In )
The Manley 99342 Piston Ring Set is meticulously engineered and manufactured to accomplish superior performance and durability for Harley-Davidson Shovelhead engines, especially those with an 80ci displacement or 1316cc capacity. This ring set is specifically designed for use in Harley-Davidson FL FX Big Twin models, engines produced from 1970 to 1995. By upgrading your engine's piston rings with the Manley 99342 set, you will experience enhanced compression, reduced engine wear, and sustained power output.
The Manley 99342 Piston Ring Set includes a complete complement of high-quality piston rings. These rings are produced using advanced manufacturing processes to ensure precision and consistency in their dimensions and materials. The compression rings are crafted from a chromium-molybdenum alloy to provide exceptional strength and durability. The ring grooves are machined to the latest specifications, ensuring a perfect fit and seal - ensuring optimal performance and longevity.
The ring set consists of the following piston rings:1. Top Compression Ring: This ring is responsible for sealing the combustion gases within the engine's cylinder during the power stroke. Manley's top compression ring in this set is designed to sustain higher temperatures and pressures, thus enhancing engine performance and power output.
2. Second Compression Ring: The second compression ring further seals the combustion chamber to minimize leakage and help maintain an effective compression ratio. It is both durable and efficient in terms of gas seal, providing a perfectly mated fit between the piston and the cylinder wall.
3. Oil Control Ring: The oil control ring is situated beneath the second compression ring. Its primary purpose is to control the amount of oil flowing between the piston and cylinder bore, thereby preventing harmful oil consumption and excessive piston ring wear. The Manley oil control ring boasts an optimized design for increased oil retention and reduced consumption.
4. Wveyring: A wear ring, also known as a skirt ring, is typically the first ring encountered by the piston as it moves up the bore during the power stroke. The role of this critical component is to reduce wear and fatigue on the ring grooves and cylinder walls. The Manley wear ring is designed using high-quality materials to ensure a reliable and long-lasting seal.
In conclusion, the Manley 99342 Piston Ring Set is a must-have for any serious Harley-Davidson Shovelhead engine builder or restorer. These precision-manufactured rings offer the ideal combination of strength, durability, and performance, ensuring your engine runs at its absolute best. Upgrade your engine with confidence and experience the difference the Manley 99342 Piston Ring Set can bring to your Harley-Davidson FL FX Big Twin.
Manley 99342 piston ring set is specifically designed for Harley-Davidson Shovelhead engines with a displacement of 80 cubic inches (020 dies). Here are some pros and cons of buying this piston ring set for your Harley-Davidson Flx Big Twin:
Pros:1. High-quality materials: Manley is a renowned aftermarket automotive parts manufacturer known for producing high-quality components. This piston ring set is engineered using top-tier materials, ensuring durability and longevity.
2. Precision manufacturing: Each piston ring in the set is manufactured to stringent specifications, ensuring a close tolerance fit in the cylinder bore. This results in improved sealing, reducing the potential for oil leaks and combustion loss.
3. Enhanced performance: Upgraded piston rings can lead to improved engine performance. With better sealing, more compression and power can be achieved.
4. OEM-style design: The Manley piston rings are modeled after the original equipment piston rings designed by Harley-Davidson. This allows for an easy installation process and minimal engine modifications.
Cons:1. Cost: The Manley piston ring set may be pricier compared to some aftermarket and OEM alternatives, which could be a concern for budget-minded Harley-Davidson owners.
2. Potential compatibility issues: Although marketed for 020 Harley-Davidson Shovelhead engines, engine variants and subtleties in bore finish or dimension could lead to compatibility concerns. Tight tolerances and correct sizing are crucial for proper sealing and must be verified before installation.
3. Labour costs: Installing a piston ring set can be a challenging task, especially for inexperienced DIYers. It's essential to be prepared for potential labour costs or consider having a professional mechanic complete the job.
Conclusion:The Manley 99342 piston ring set for Harley-Davidson Shovelhead engines carries several advantages, like the high-quality materials, precision manufacturing, enhanced performance, and OEM-style design. However, the set's cost, potential compatibility issues, and labour costs may deter some buyers. After carefully considering the pros and cons, if you prioritize high-performance and reliable components and have the financial resources to invest, the Manley piston rings may be an excellent addition to your engine. If you're uncertain about the compatibility or installation process, it's recommended to consult with a professional mechanic to ensure successful installation.
New in original packing, Manley piston ring set for Harley Davidson Shovelhead 80 1340cc FL fx model's, 3.5 bore .020.