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Motorcycle
RACING VALVE SPRING KIT.625 LIFT H.T. STEEL RETAINER
$298.99
In stock · stock as of Sep 16, 2026
Shipping calculated at checkout
30-day returns on unused parts
Details
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass and operating rpm.
Specs
- Vehicle
- Motorcycle
- Weight Lb
- 8.0
- Shipping Class
- standard
Vehicle Fitment
Check KPMI RACING VALVE SPRING KIT .625 LIFT H.T. STEEL RETAINER (part 20-21850) against your vehicle before ordering.
Supplier-confirmed applications for this exact part. Match the year, make, and model below. A listed application is not confirmation for an unlisted vehicle.
Harley Davidson FLFBS Softail Fat Boy 114
2018–2020
Harley Davidson FLHCS Softail Heritage Classic 114
2018–2020
Harley Davidson FLHR Road King
2017–2020
Harley Davidson FLHTCU Electra Glide Ultra Classic
2017–2019
Harley Davidson FLHTCUTG Tri Glide Ultra Classic
2017–2020
Harley Davidson FLHTK Electra Glide Ultra Limited
2017–2020
Harley Davidson FLHTKL Electra Glide Ultra Limited Low
2017–2019
Harley Davidson FLHTKSE CVO Limited
2017–2020
Harley Davidson FLHX Street Glide
2017–2020
Harley Davidson FLHXS Street Glide Special
2017–2020
Harley Davidson FLHXSE CVO Street Glide
2017–2020
Harley Davidson FLTR Road Glide
2017–2020
Harley Davidson FLTRU Road Glide Ultra
2017–2019
Harley Davidson FLTRXS Road Glide Special
2017–2020
Harley Davidson FXBRS Softail Breakout 114
2018–2020
Harley Davidson FXFBS Softail Fat Bob 114
2018–2020
Parts for the Same Vehicles
These parts share at least one listed vehicle application. Check each part’s fitment for your model and year.
