Drive Line - Primary Chain
Primary Chain Adjuster Kit - V-Twin 18-3249 - OEM 39975-86 - Evolution Sportster 1986-1990
YorkOEM #: 39975-86 Kit includes primary chain pad adjuster shoe pivot stud adjuster screw primary chain shoe carrier adjuster spring and hardware. Fit...
View full detailsChain Tensioner Anchor Plate Nut - York 5-139 - OEM 39992-65A - Big Twin 1965-2000
YorkYork #: 5-139 · OEM #: 39992-65A Chain tensioner anchor plate nut only Fitment: 1965-1984 FL 1986-2000 FLST 1984-2000 FLT 1971-1984 FX 199...
View full detailsPrimary Chain Adjuster Brace - V-Twin 18-3228 - OEM 39980-54 - Sportster 1952-1976
V-Twin ManufacturingOEM #: 39980-54 Primary Chain Adjuster Brace Fitment: 1952-1956 K 1957-1970 XL 1970-1976 XLCH 1967-1976 XLH
Primary Chain Adjuster Shoe Kit - York 71216 - Ironhead 1977-1985
YorkYork #: 71216 Kit includes primary chain adjuster shoe stud spring screw shoe carrier chain pad and hardware. Fitment: 1977-1985 XL
Primary Chain Adjuster Shoe Mount Bracket - V-Twin 18-3218 - OEM 39990-65 - Big Twin 1965-2000
YorkOEM #: 39990-65 Primary chain adjuster shoe mount bracket features a serrated machined back. Fitment: 1965-1984 FL 1986-2000 FLST 1984-2000 FL...
View full detailsChain Tensioner Plate - V-Twin 18-3219 - OEM 39993-65 - Big Twin 1965-2000
V-Twin ManufacturingOEM #: 39993-65 Chain tensioner plate Fitment: 1965-1984 FL 1986-2000 FLST 1984-2000 FLT 1971-1984 FX 1991-2000 FXD 1984-1994 FXR 1984...
View full detailsPrimary Chain Shoe Carrier - V-Twin 18-3222 - OEM 39973-86 - Sportster 1977-1990
V-Twin ManufacturingOEM #: 39973-86 Primary Chain Shoe Carrier Fitment: 1977-1990 XL
Primary Chain Adjuster Screw - V-Twin 18-3221 - OEM 3250 - Sportster 1977-1990
V-Twin ManufacturingOEM #: 3250 Primary Chain Adjuster Screw Fitment: 1977-1990 XL
Chain Tensioner Hardware Kit - V-Twin 18-3217 - Big Twin 1965-2000
YorkChain tensioner hardware kit includes hex bolt locks plate and bolt. Fitment: 1965-1984 FL 1986-2000 FLST 1984-2000 FLT 1971-1984 FX 1991-...
View full detailsPrimary Chain Tensioner Kit - York 71516 - OEM 39975-54A - Ironhead 1957-1969
YorkYork #: 71516 · OEM #: 39975-54A Primary chain tensioner kit includes pad clip and brace. Fitment: 1957-1969 XL 1958-1969 XLCH
Primary Chain Tensioner Kit - York 75626 - OEM 39975-52B - Sportster 1952-1979
YorkYork #: 75626 · OEM #: 39975-52B Primary chain tensioner includes pad and clip Fitment: 1952-1956 K 1957-1970 XL 1970-1979 XLCH 1967-1979 XLH
Primary Chain Tensioner Bracket Kit - V-Twin 18-0783
YorkChain tensioner kit assembly bolts to the rear motor mount plates on rigid frame models. Kit includes bracket and detent plate. Chain adjusting sho...
View full detailsYork Auto Primary Chain Adjuster Kit - York 18-0581 - Twin Cam 2007+
YorkYork #: 18-0581 York auto primary chain adjusting kit keeps the chain adjusted properly. Kit includes mount bracket and nylon shoe. Includes inner ...
View full detailsYork Auto Primary Chain Adjuster Kit - V-Twin 18-0581 - Twin Cam 2001-2006
YorkYork auto primary chain adjusting kit keeps the chain ed adjusted properly. Kit includes mount bracket and nylon shoe. Includes inner guide outer g...
View full detailsYork Auto Primary Chain Adjuster Kit - V-Twin 18-0580 - Big Twin 1965-2000
YorkYork auto chain adjuster keeps the primary chain adjusted properly. Includes shoe inner guide outer guide inner and outer spring and adjuster pad. ...
View full detailsPrimary Chain Adjuster Pad and Screw Kit - York 39975-90A - OEM 39975-90A - Evolution Sportster 1991-2003
YorkYork #: 39975-90A · OEM #: 39975-90A Primary Chain Adjuster Pad and Screw Kit. Fitment: 1991-2003 XL
Chain Tensioner Shoe - York 210333 - Big Twin 0+
YorkYork #: 210333 Chain tensioner shoe is a replacement part for the chain tensioner. Notes:Suggested to use with hydraulic primary chain tensioner Fi...
View full detailsHydraulic Primary Chain Tensioner - York 210213 - Big Twin 1965-2006
YorkYork #: 210213 York chain tensioner features a hydraulic valve which controls the motion of the submerged piston which constantly keeps the chain i...
View full details76 Link Primary Chain Drive System - V-Twin 18-0111 - Evolution 1985-1990
V-Twin ManufacturingPrimary chain drive system is 76 link and features chain shoe adjuster assembly clutch drum basket with starter ring gear steel and fiber clutch pl...
View full details76 Link Primary Chain Drive System - V-Twin 18-0110
V-Twin ManufacturingPrimary chain drive system is 76 link for Big Twins. Features chain shoe adjuster assembly clutch drum basket with starter ring gear & steel &a...
View full detailsPrimary Chain Adjuster - York 40039-02C - OEM 40039-02C - Sportster 2004+
YorkYork #: 40039-02C · OEM #: 40039-02C Primary chain adjuster has steel reinforced nylon wear pad and 1/2 inch-20UNC adjusting thread. Fitment: 2004-...
View full details82 Link Primary Chain Drive System - V-Twin 18-0106
YorkPrimary chain drive system is 82 link and features chain shoe adjuster assembly clutch drum basket with starter ring gear steel and fiber clutch pl...
View full details82 Link Primary Chain Drive System - V-Twin 18-0107
V-Twin ManufacturingPrimary chain drive system is 82 link and features chain shoe adjuster assembly clutch drum basket with starter ring gear steel and fiber clutch pl...
View full detailsPrimary Chain Adjuster Lock Tab - V-Twin 17-0915 - OEM 39996-65 - Big Twin 1965-2000
V-Twin ManufacturingOEM #: 39996-65 Primary chain adjuster lock tab Fitment: 1965-1984 FL 1986-2000 FLST 1984-2000 FLT 1971-1984 FX 1991-2000 FXD 1984-1994 ...
View full detailsMore about Drive Line - Primary Chain
Drive Line Primary Chain for Harley-Davidson Big Twin and Sportster models. We stock 70+ parts in this category, mainly from York, V-Twin Manufacturing, and Diamond Chain.
Pair this with our Primary Cover, Clutch and Sprocket if you're doing more than a one-off repair.