SKU:10-0657
The Jims Hydrosolid Tappet Assembly 1800 delivers hydraulic action from startup to about 5,500 RPM, then transitions to a solid at approximately 5,600 RPM, giving controlled valvetrain behavior for Evolution-era Harley FXST engines. It includes a built-in anti-pump device to help maintain stable valve control during rapid throttle changes.
This precision tappet is designed for Harley-Davidson FXST models from 1984 to 1993, manufactured in the USA with high-quality materials to support durability and long-term performance. The component measures approximately 0.84 inches in diameter, ensuring a precise fit within the Harley valvetrain.
Part number 1800. Installation is straightforward with online installation instructions, and the kit is compatible with related tools and accessories such as the Sifton Pushrod Adjustment Gauge, Pushrod Cover Clip Tool, and Sifton Hydraulic Tappet Assembly when used in a comprehensive rebuild or upgrade.
Fitment (select ranges):
Trust the Jims brand for durable American-made performance that helps sustain engine efficiency and value in classic Harley models.
Jims big axle tappet assembly standard hydrosolid. Roller assembly installed and has a built in anti-pump device perform like a hydraulic from start up to about 5500 RPM and turns into a solid at 5600 RPM. For Evolution engines.The Jims Hydrosolid Tappet Assembly Standard is a precision-engineered component designed for Harley Davidson FXST models from 1984 to 1993. Crafted in the USA, this tappet offers reliable performance and durability essential for maintaining optimal engine function. Measuring approximately 0.84 inches in diameter, this part ensures a precise fit and smooth operation within your motorcycle's valvetrain system. Proper installation of this tappet can contribute to improved engine efficiency and longevity, making it a vital replacement part for your Harley Davidson.
The assembly features high-quality materials designed to withstand the rigors of motorcycle operation. Its straightforward design allows for easy installation following the detailed instructions available online. This part is compatible with a range of Harley FXST models from 1984 through 1993, ensuring a broad fitment for vintage and early-model Harley enthusiasts. Maintaining your bike with genuine parts like the Jims Hydrosolid Tappet Assembly helps preserve the performance and value of your motorcycle.
For added convenience, this product includes accessory items such as the Sifton Pushrod Adjustment Gauge, Pushrod Cover Clip Tool, and Sifton Hydraulic Tappet Assembly, which assist during installation and adjustment. Trust the Jims brand for quality and performance in motorcycle parts, ensuring your Harley Davidson runs smoothly and reliably for years to come.
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