Fueling Race Series Short Travel Hydraulic Lifters 4-Pack 4017ST
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Harley Davidson Street Bob FXBB 107 Fueling Race Series Short Travel Hydraulic Lifters 4-Pack 4017ST 2018-2024
$487.62 Add to cart-
Manufacturer Part Number: 4017ST
- New revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200"
- These lifters will increase rpm by decreasing valve float and valve-train harmonics while maintaining a quiet engine
- Travel reduction reduces the amount of oil that is required to fill the inside of the lifter which reduces oil aeration in the lifter on steep, fast action high lift camshaft lobes
- Short-travel lifters should be set with 0.065" 0.070" of pre-load and with the normal engine growth from heat will put the operating lifter pre-load at or around half travel
- Short-travel lifters are designed to limit the amount of oil needed to fill the internals of the lifter which results in less oil needed compared to a full travel or other style short travel lifters
- Design drastically reduces aeration of the oil producing a fully filled lifter when the lifter rolls around to the front
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