fits model: Evo. make: Harley, Davidson. year: 1984.

( Brand: Revtech ), ( Manufacturer Part Number: 659635 ), ( Part Type: Roller Arm )
The REVTECH 4140 Performance 1.6 Roller Rocker Arms for Harley-Davidson EVO models, specifically model number 659635, are a high-performance upgrade designed to enhance the performance and longevity of your motorcycle's engine. These rocker arms are manufactured using 4140 chrome-molybdenum steel, delivering exceptional strength and durability.
The 1.6 roller design of these rocker arms reduces friction between the valve stem and rocker arm, resulting in smoother operation and reduced wear and tear. This design also allows for increased valve lift, which can improve engine performance by increasing air and fuel intake and exhaust flow.
These rocker arms are specifically designed for Harley-Davidson EVO models from 1984, and they are a direct replacement for the stock parts. Each set includes four rocker arms and necessary hardware for installation, making this an easy and straightforward upgrade for DIY enthusiasts or professional mechanics.
The REVTECH 4140 Performance 1.6 Roller Rocker Arms are finished with a polished chrome plating, adding a touch of style and elegance to your engine compartment. They are also backed by REVTECH's industry-leading warranty, ensuring that you can trust in the quality and reliability of this performance upgrade.
In summary, the REVTECH 4140 Performance 1.6 Roller Rocker Arms are a high-quality, direct-fit upgrade for Harley-Davidson EVO models that can improve engine performance, reduce friction, and increase valve lift. With their 4140 chrome-molybdenum steel construction and polished chrome finish, these rocker arms are not only functional but also visually appealing.
Pros of buying 659635 RevTech 4140 Performance 1.6 Roller Rocker Arms for Harley-Davidson Evo 1984:1. Improved Engine Performance: The roller rocker arms are designed to reduce friction between the valve stems and rocker arms, which can lead to improved engine performance, better throttle response, and increased horsepower.
2. Durability: The 4140 chromoly steel used in the construction of these rocker arms is known for its strength and durability. This material is resistant to wear and tear, which can extend the life of your engine.
3. Upgrade: Installing these rocker arms can be an upgrade for your Harley-Davidson Evo 1984, making it more powerful and more attractive to potential buyers if you decide to sell it in the future.
Cons of buying 659635 RevTech 4140 Performance 1.6 Roller Rocker Arms for Harley-Davidson Evo 1984:1. Cost: The roller rocker arms are not cheap. The cost of this specific set can be a significant investment, especially for those on a tight budget.
2. Installation: Installing the rocker arms can be a challenging task, especially for those without mechanical skills. It may require professional installation, which can add to the overall cost.
3. Potential Compatibility Issues: While these rocker arms are designed to fit Harley-Davidson Evo 1984, there may be compatibility issues with certain engines or modifications. It's essential to ensure that the rocker arms will fit your specific bike before purchasing.
Conclusion:If you're looking to improve the performance of your Harley-Davidson Evo 1984 and are willing to invest in high-quality components, the 659635 RevTech 4140 Performance 1.6 Roller Rocker Arms can be an excellent choice. However, it's important to consider the cost and potential installation challenges before making a purchase. If you're unsure about the compatibility of the rocker arms with your bike, it's always a good idea to consult with a professional mechanic.
Recommendation:If you decide to purchase the 659635 RevTech 4140 Performance 1.6 Roller Rocker Arms, make sure to have them installed by a professional mechanic to ensure proper installation and avoid any potential compatibility issues. Additionally, consider purchasing a warranty to protect your investment in case of any issues or defects.
Star track express airbag. Southerly big twin Evolution motors 1984 inwardly sportswear 1986 15 harley cam 1999 2015featuresroller rockers are recommended for lowering static friction against the valve tip, more accurate timing, and reduced side load on stem which can increase guide life the rolling action lowers thrust when opening closing valves, reducing wear stems guides concealed push rod seats induction-hardened to Rockwell c scuff resistance long-term durability computer designed bodies extra-thick made of 4140 investment cast chorally steel that has been normalized hrc35 strength toughness concealed always between push rod rollers provide reliable lubrication rollers precision-machined from ball race-quality before being hardened ground with a super-finished bore fitted heat-treated roller pin shaft bushings backed bronze laminated extreme resistance product Australia. Packaging may differ to that illustrate din-stock, ship within Australia 22.