Front Suspension: 35 & 39mm – Alpha Performance Engines

“Progressive Suspension Standard Rate Fork Spring Kit. Fits Sportster 2004-2021 with 39mm Fork Tubes & Street 500 2015-2020 with 37mm Fork Tubes.” has been added to your cart. View cart

Showing 1–36 of 53 resultsSorted by price: low to high

Progressive Suspension Preload Spacer – Some Mono-Tube Kits
$7.00 SKU: PS-5023-001
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Rollies Speed Shop Damper Tube Screw & Washer Set. Fits Showa Forks, Most Big Twin 1975-2017 & Sportster 1987-2021
$12.00 SKU: BAI-C23-0237NU-2
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VF 35mm Showa Forks Boots – Black. Fits H-D 1975-1987 with Narrow Glide Front End.
$14.00 SKU: VF-36305
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Daytona JAPAN 35mm Lower Fork Bushing. Fits Big Twin & Sportster 1971-1987.
$15.00 SKU: DAY-37488
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Daytona JAPAN 39mm Lower Fork Bushing – Pack of 2. Fits H-D 1987up.
$15.00 SKU: DAY-28186
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Daytona JAPAN 35mm Upper Fork Bushing. Fits Big Twin & Sportster 1971-1987.
$15.00 SKU: DAY-37487
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Daytona JAPAN 39mm Upper Fork Bushing – Pack of 2. Fits H-D 1987up.
$15.00 SKU: DAY-28185
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James Gaskets Inc 39mm Fork Tube Dust Cover Seal. Fits Sportster, Dyna & FXR 1987-2021.
$16.00 SKU: JGI-45401-87
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Rollies Speed Shop 39mm Lower Fork Bushing. Fits H-D 1987up.
$23.00 SKU: BAI-C23-0235-LO
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Rollies Speed Shop 39mm Upper Fork Bushing. Fits H-D 1987up.
$23.00 SKU: BAI-C23-0235-UP
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Eastern Motorcycle Parts Damper Tube Springs. Fits Dyna 1991-2005, FXR 1987-1994 & Sportster 1987-2021.
$24.00 SKU: EMP-41-0110
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All Balls Racing 39mm Forks Seals.
$25.00 SKU: ABR-55-113
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James Gaskets Inc 33.4mm Fork Seal Kit. Fits H-D 1971-1972 with Narrow Glide.
$41.00 SKU: JGI-45849-71
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James Gaskets Inc 35mm Fork Seal Kit. Fits Sportster & FX 1973-1976.
$41.00 SKU: JGI-45849-73
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James Gaskets Inc 35mm Fork Seal Kit. Fits Sportster & FX 1975-1983.
$41.00 SKU: JGI-45849-75
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James Gaskets Inc 35mm Fork Seal Kit. Fits Sportster & FXR 1984-1987.
$41.00 SKU: JGI-45849-84-AK
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All Balls Racing Steering Bearing Kit. Fits Big Twin 1960up & Sportster 1982-2021.
$43.00 SKU: ABR-22-1032
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James Gaskets Inc 39mm Fork Seal Kit. Fits Dyna 1991-2005, FXR 1987-1994 & Sportster 1987-2021.
$49.00 SKU: JGI-45849-96
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Rollies Speed Shop 39mm Rubber Fork Boot Gaiters – Black
$70.00 SKU: BAI-C23-0219
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Rollies Speed Shop Fork Rebuild Kit. Fits 39mm Tubes.
$98.00 SKU: BAI-C23-0235
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Rollies Speed Shop Stem Cups. Fits Big Twin 1936-1988 & Softail 1984-1988.
$149.00 SKU: BAI-07-0002C-2
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Progressive Suspension Fork Spring Kit for 35mm Fork Tubes. Fits Big Twin FX 1973-1986, Sportster 1973-1987 & FXR 1982-1988.
$231.00 SKU: PS-11-1120
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Progressive Suspension Standard Duty 39mm Fork Spring Kit. Fits Dyna Super Glide Sport 2000-2005.
$231.00 SKU: PS-11-1153
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Progressive Suspension Standard Duty 39mm Fork Spring Kit. Fits FXR 1988-1994 & Sportster 1988-1993.
$231.00 SKU: PS-11-1130
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Progressive Suspension Standard Duty 39mm Fork Spring Kit. Fits Dyna 1991-2005 & FXR 1987-1994.
$231.00 SKU: PS-11-1132
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Progressive Suspension Standard Duty 39mm Fork Spring Kit. Fits Sportster 1992-2003 & Dyna 1995-2005.
$231.00 SKU: PS-11-1523
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Progressive Suspension Standard Rate Fork Spring Kit. Fits Sportster 2004-2021 with 39mm Fork Tubes & Street 500 2015-2020 with 37mm Fork Tubes.
$231.00 SKU: PS-11-1527
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Progressive Suspension Fork Spring Kit for 39mm Fork Tubes; Fits Sportster 2016-2021. Standard Spring Rate.
$231.00 SKU: PS-11-1577
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Progressive Suspension Heavy Duty Fork Spring Kit. Fits Sportster 2004up with 39mm Fork Tubes & Street 500 2015-2020 with 37mm Fork Tubes.
$260.00 SKU: PS-11-1552
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Cycle Visions 39mm Fork Tube 2in. Extension Kit – Stainless Steel. Fits Most H-D.
$261.00 SKU: CV7139
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Progressive Suspension Fork Spring Lowering Kit for 39mm Fork Tubes. Fits Most Sportser’s 1988-2021
$307.00 SKU: PS-10-2000
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Rollies Speed Shop Fork Tubes. Fits 39mm Narrow Glide Front End 2004up as Stock Length.
$356.00 SKU: BAI-C23-0183
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Rollies Speed Shop Fork Tubes. Fits 39mm Narrow Glide Front End 1987-1993 as Stock Length.
$356.00 SKU: BAI-C23-0182
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Rollies Speed Shop Fork Tubes. Fits 39mm Narrow Glide Front End 1994-2003 as Stock Length.
$358.00 SKU: BAI-C23-0191
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Rollies Speed Shop Fork Tubes. Fits 39mm Narrow Glide Front End 1987-1993 as 2in. Oversize.
$361.00 SKU: BAI-C23-0182-2
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Rollies Speed Shop Fork Tubes. Fits 39mm Narrow Glide Front End 1994-2003 as 2in. Oversize.
$366.00 SKU: BAI-C23-0191-2
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