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160
D
A
B
12-0805
Oil Pump Drive 
Shafts
 fit 1970-99 
Big Twin, replaces 
26346-70.
VT No. 12-0805
Big Twin Oil Pump Gears fit 1968-99 stock type and some 
aftermarket units. Available in V-Twin Mfg. or Jims brand.
VT No. 
Jims 
#  OEM 
Type
12-0166  12-1434 
C  26317-48 
Return Drive
12-1420  12-1435 
D  26317-68A 
Return Idler
12-0174  12-1436 
B  26326-62A 
Feed Idler
12-0183  12-1437 
A  26328-74 
Feed Drive 
Sifton Big Twin Oil Pump Drive Shaft 
Kit
 includes 3 keys, shaft gear, bushing 
and snap ring. Fits 1973-99 Big Twin.
VT No. 12-0810
Chain Oil Adjuster Screws sold each.
VT No. 
OEM 
Fits 
Head
12-2523  63610-70 
1970-99 FLH 
Slot
Oil Pump Seals.
James 
GB No. 
OEM 
Fits
14-0623 14-0114 
26227-58 
1968-99 Big Twin
Oil Pump Snap Rings.
VT No. 
OEM 
Fits
12-0901  11002 
1970-98 Big Twin
12-0901
Oil Pump Mount Kits for Big Twin.
VT No.  Years 
Type
8744-12* 1978-91  Chrome, Stock
9787-12* 1978-91   Zinc, Stock
8747-12  1978-91   Allen
7827-12* 1978-91   Chrome Acorn
9763-16* 1992-99   Acorn Style
37-9000  1992-99   Chrome Acorn
37-9001  1992-99   Chrome Allen
*Note: Includes studs where required.
Sifton
TM
 Oil Pump 
Assembly features 
improved oil pump 
pressure regula-
tion that will ensure 
correct oiling to all 
areas of Big Twin 
engines. This pump 
kit includes all nec-
essary fittings, snap 
rings, keys, gaskets 
and mounting bolts. 
Can be used on 
either chain drive or 
belt drive models.
Pump Pump  Years  Finish
 W/Breather
12-9971
 
12-9802  1984-91 Polish
12-9972 
12-9803  1984-91 Chrome
12-9975 
12-9804  1992-99 Polish
12-9976 
12-9805 
1992-99 Chrome
15-0657 
Gasket  1973-91 Mylar
15-0658 Gasket 
1973-91  Paper
15-0362 Gasket 
1992-99  Mylar
15-0363 Gasket 
1992-99  Paper
Driver Gears
Breather Kit
Breather
Washers
Big Twin Oil Pump Assembly
12-9971
C
Hex Stock
8744-12
9787-12
12-9972
7827-12