Primary

Belt drive by Rivera Primo; for open or closed applications; fits Big Twin (4-speed) 1965-1984, except FXB, FXSB, FXWG 1984→, FLH Classic 1982, FLH 1983→; steel / aluminum / polyurethane / carbon fiber; width: 1-1/2”; kick & electric start; sprocket shaft type: splined; pitch: 8 mm; number of teeth: 41 x 61; USA; gross weight: 4.5 kg

Outer primary chain guard; fits 4-speed FX 1970-1985; cast aluminum, chrome-plated; replaces OEM HD 60507-82TA; gross weight: 2.4 kg

Derby cover by Mooneyes; fits Shovelhead and Evo Big Twin 1970-1998; with 3 holes; cast aluminum, polished; USA; gross weight: 560 g

Inspection cover »Standard«; fits all 4-speed FX and FXE from 1974-1985 (except FXWG and FXST); steel, chrome-plated; replaces OEM HD 60579-74T; gross weight: 260 g

Needle bearing; for starter-shaft end; fits Big Twin 1965-1988, Sportster 1967-1980; steel; tolerance class: RBEC 1; dimensions: ID x OD: 0.75 x 1”, 0.625” thick ; replaces OEM HD 9063; gross weight: 20 g

Washer »standard«; steel, zinc plated; nominal ID: 5/16 ”; gross weight: 3 g

Screw; steel, zinc plated; hex; thread: 5/16”-18; length: 1 ” (25 mm); wrench size: 1/2 ”; replaces OEM HD 4017; gross weight: 10 g

Screw; steel, zinc plated; hex; thread: 5/16”-18; length: 1-1/4 ” (32 mm); wrench size: 1/2 ”; replaces OEM HD 3462; gross weight: 10 g

Nut »Nyloc«; steel, zinc plated; hex self-lock; thread: 3/8”-24; replaces OEM HD 7775; gross weight: 5 g

Gasket by James Gaskets; for Derby cover; fits Big Twin 1970-early 1984; paper / silicone; replaces OEM HD 25416-70; gross weight: 10 g

O-Ring by James Gaskets; for Inner primary housing; fits FL(H) 1970-1982, FLH Classic 1979-1981, FLT 1980-1983, FX 1971-1984; rubber; ID x OD: 173.3 x 176.9 mm, 1.9 mm thick; replaces OEM HD 11125; gross weight: 2 g

Gasket by James Gaskets; for Inspection cover; fits 4 speed Big Twin 1965→, Dyna →2005, Softail →2006; paper / silicone, silicone bead on both sides; replaces OEM HD 60567-65B; gross weight: 60 g

Gasket by James Gaskets; for Outer primary chain guard; fits 4 speed Big Twin 1965→, Softail →1988; 9 bolt holes; paper / silicone, thick (0.062”); replaces OEM HD 60539-86; gross weight: 40 g