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727
CLASSIC
1948-84 
Tank Mount
Mounts for Bob Tanks. “Our Original Frame Saver Kit” may 
be welded to all 1936-84 Big Twin frames, stock or custom, to 
replace original brackets.
VT 
No. 
Item 
   Year
51-0100 
Complete 
Kit 
  1936-47
51-0121* 
Complete 
Kit 
  1948-84
51-0507  Rear Mount Clips, pair 
 
51-0666  Lower Frame Gas Tank Mount Set 1955-
51-0618   Fat Bob Tank Mount Kit   
1941-84
*Note: Includes speedometer mount casting that has steering 
damper pin hole.
Frame Saver Gas Tank Mount Kit includes front and rear tank 
mounts. Mounts Bobbed tanks to custom or original frames. 
Temporarily attach one tank piece by clamping bracket for a 
quick check of tank placement on custom applications. Bracket 
assembly can then be welded in place.
VT No. 
Year   
Type
51-0521  1936-84  
Stock
51-0674 1936-84 
Stock
51-0615*  1985-99  
Flat Side
38-0240*  1985-99 
Flat Side
*Note: Can also be used 1958-84 models when installing 
Flatside gas tanks.
FX Tank Mount Kit mounts one piece FX or Quick Bob tanks 
on 1973-84.
VT No.  # 
OEM 
Item
38-0204  A-F       –– 
Complete Kit
38-0220  A&B       –– 
Spring and Clip Kit 
38-0205  A 
61546-74  Spring Clip
13-0155 B 
61550-73A Spring
28-0644  C 
61139-73A  Horseshoe, Small Type
28-0614  C 
 
Horseshoe, Large Type
28-0615  D 
61152-65P  Rubber Bushing
28-0617   
62123-66  Button Bumper
28-0616  F 
61562-66  Cup Bumper
38-0240
51-0521
51-0674
Speedometer Mount 
Frame Casting
 must be 
welded. 
Note: Casting has 
provision for steering damp-
er pin. Fits 1948-84 FL.
VT No. 51-0067
Small Type Gas Tank Mount Horseshoe can 
be used on 1 piece FX or quick bob tanks. Stock 
OE replacement type. Rubber measures 2⁷⁄₈”W x 
2¹⁄₂”H. OEM No. 61139-73A. Fits 1973-84 FX.
VT No. 28-0644
51-0121
51-0666 
51-0618
Mounting Kit for 1936-84 Big Twin with Bobbed Style 
Tanks
 includes special washers, studs, and bolts. VT No. 
38-0200 includes spacers.
VT No.  
Type 
Finish
38-0200  Stock 
Zinc
9891-18  Stock 
Chrome
9892-18  Stock 
Cadmium
9893-18  Stock 
Parkerized
2524-2 Allen 
Chrome
12-2123  Rear Mounting Stud Only 1936-84
51-0100
51-0507
9893-18
9891-18
51-0615
38-0204
28-0644