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TwinPower
$21.49
TwinPower
$109.56
TwinPower
$9.20
Kuryakyn
$35.83
TwinPower
$15.35
S&S Cycle
$8946.47
S&S Cycle
$40.95
S&S Cycle
$445.95
S&S Cycle
$602.21
Cometic Gasket
$29.82
S&S Cycle
$101.00
S&S Cycle
$1612.75
S&S Cycle
$1970.47
All Balls Racing
$116.50
Bikers Choice
$909.30
Kuryakyn
$82.93
TwinPower
$255.99
TwinPower
$41.97
Kuryakyn
$39.92
Bikers Choice
$27.64
Yes, all parts displayed on this page are verified to fit the 1990 Harley-Davidson FLST Heritage Softail using VCDB fitment data. Our fitment information comes directly from manufacturers and is cross-referenced with industry-standard vehicle databases.
We offer a wide selection of engine & drivetrain parts specifically designed for the 1990 Harley-Davidson FLST Heritage Softail. All parts shown are verified for fitment and include detailed product information to help you choose the right option.
We carry parts from trusted brands including S&S Cycle, TwinPower, Bikers Choice, Cometic Gasket, and Kuryakyn, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.
