Progressive High Perf Cartridge Kit Low

Marsoni

M251S

$316.48

Get it in 3 business days with 1 day shipping. Friday, May 29

Progressive High Perf Cartridge Kit LowAdjustable preload Improved resistance to front brake dive Improved front end stability This Part Fits: Year Make Model Submodel 2021 Harley Davidson FLH Electra Glide Revival Base 2023 Harley Davidson FLHFB Electra Glide Highway King Base 2017 2022 Harley Davidson FLHR Road King Base 2017 2024 Harley Davidson FLHRXS Road King Special Base 2019 2022 Harley Davidson FLHT Electra Glide Standard Base 2017 2019 Harley Davidson FLHTCU Electra Glide Ultra

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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No reason not to go OEM for this! Came with every possible gasket and seal I could need. Specifically for my Alpha One Gen 1 it took maybe 25-30 min to completely install. While you’re there check the base plate for wear and the other surrounding items like your water tube. Rather keep the lower unit off for an extra day to get another part than a catastrophic failure.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 9, 2025

Verified Purchase

Taylor 🤍

Port Orchard, US

★★★★★ 5

Husbands things

My husband bought this. I don’t know much about it but he has zero complaints. He bought it for a boat. He has fixed up 2 boats, sold one & we kept the other. So he apparently knows what to buy & how to use it.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on November 6, 2025