72
1985-90 1340 Big Twin Clutch Pack Hardware.
VT No. # OEM 
 Item
 Nut, 5 pack 
18-3259 B 37357-84 Adjusting Screw for Stock 
 Rod Set, 1985-86
 Rod Set, 1987-89
 Rod Set, 1990
18-8153 E 37550-84A Clutch Hub, V-Twin 
18-3641 F&M 37702-84A 84-E85 Clutch Drum w/Ring Gear 
18-8234 F&M 37707-84A L85-90 Clutch Drum w/Ring Gear 
18-8290 G 37875-86A Diaphragm Spring  
 1984-E85 Drum/Hub Assembly
 E1985-90 Drum/Hub Assembly
12-0954 L 37905-84 Ret Ring Internal, 10 pack  
12-0955 N 37907-84 Retaining Ring, 10 pack  
18-1148 P 37975-84 Drive Disc, 7 pack  
 Bolt and Washer
 Washer
 Bear ing Kit
 Retaining Ring
 1985-90 Clutch Hub Sleeve is a rein-
forcement ring for hubs at the tapered
end. Sleeve is pressed on with beveled
side out toward inner primary, after
clutch drum with bearing is set over hub,
so that clutch drum and hub will be
installed as one unit.
VT No. Type 
1985-90 Big Twin
Clutch Parts
Complete
Kit
1984-89 BT Clutch Hub Kit includes updated reinforced steel
center clutch hub, steel drive plate set & friction plate set.
Clutch Drum and Hub
Assembly. Bearing and snap
ring are installed in drum.
VT No. Year
 Starter Ring Gear Offset
dimension shown.
VT No. Size (D) Year
(D)
 1984-90 Big Twin
Clutch Hubs feature
the updated factory
construction which has
a machined steel center
with aluminum outer
splined ring, secured by allen screws, with steel studs 
welded in place. Order related hardware separately.
VT No. OEM
 Year
 Type
*Note: Early style hub with aluminum studs