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636
Big Twin Footboard Tabs available in stamped or authentic 
forged steel construction for custom or stock frames. Sold in 
pairs to be welded on 1936-84 models.
VT No. 
Dia  Type
27-0664  1”  Forged Exact
27-1560 1
1
/
8
” Forged Exact
27-0311   
Stamped Tabs
Frame Tabs, Mounts, Seat Tabs and Bars
Rigid Vibrator Bar fits between side car loops on 1936-57 
stock rigid frames.
VT No. 
Item 
Finish
49-2560 
Bar Only 
Chrome
49-2630 
Bar Only 
Parkerized
51-0667 
Bar and Spools
Rigid Big Twin Frame Repair Parts to be welded on for restoration or 
repair.
VT No.  Item
51-0503  5th Transmission Mount
51-0508  Side Car Loop Only
51-0528  Rear Axle Plates Right and Left Pair 
51-0502  Right Front Brake Boss End, 2 Hole
51-0501  Left Front Shift Boss End, 3 Hole
51-0545  1948-54 Lower Tank Mount with cross plate
51-0644  1948-54 Lower Mount Tab Set
51-0632  1955-57 Lower Tank Mount without cross
51-0592  1948-54 Front Cable Tab
31-0475  Motor Mount Frame Spacer
51-0593  1948-53 Horn Bracket Strips Set
51-0573  Crossover Tube Only
51-0529  Front Oil Tank Mount
51-0522  Rear Motor and Front Transmission Mount 1936-57
51-0598  Saddles for Seat
49-1258  Tool Box Pad Set, Round, ⁵⁄₁₆ x 24 
49-1259  Tool Box Pad Set, Rectangular, ⁵⁄₁₆ x 24
51-0510  Rear Fender Mounting Bracket
51-0731  Axle Plate
51-0668  Top Frame Tube 1¹⁄₂”
51-0669  Wishbone Front Tubes
51-0675  Seat Post Tube
51-0676  Rear Top Frame Legs, Knuck
51-0677  Fender Cross Brace, Knucklehead
51-0678  Fender Cross Brace, Pan
51-0679  Lower Frame Tube Brace
51-0706  Frame Brace Tube
51-0682  Rail Set
51-0437  Rear Forging Mount
51-0439  Front Forging Engine Mount
51-0527   Rear Frame Motor Mount, Front and Rear
51-0144  Raw rigid frame seat post plate set
51-0172  Lower Frame Front Motor Mount 
51-0535   Triple Tree Neck Frame Tab
51-0701  Frame Sleeve Tubing
51-0685  Rigid frame rear engine mount & front trans. mt w/forging mark.
51-0686  Seat Mount with forging mark
Big Twin Top Engine Mounts are two halves with seat tee 
and rear tank mounts incorporated into the top mount. Weld in 
place for accurate restoration.
VT No. 
#  Fits
51-0509  1936-47 Knucklehead
51-0584  A  1948-52 Panhead
51-0530  B  1953-69 Panhead-Shovelhead
51-0505  C  1970-84 Shovelhead
A
B
C
51-0511
51-0512
51-0513
51-0845
Weld-On Mount Tabs fit Rigid Frames when mounting brake units.
VT No. 
Type
51-0511  Hydraulic Rear Back Plate
51-0512  Caliper Arm Tab
51-0513  1987-99 Caliper Mount Strap (Right Side)
51-0845  1987-99 Caliper Mount Strap (Left Side)
Neck Lock Tab to be welded on Big Twin neck 
for use with lower glide lower tree with tab.
VT No. 51-0517
Seat Post Top Yoke.
VT No.  Year
51-0686
 1936-47
51-0427  1936-47, Note: Stamped with “XE-1 DIF4”.
51-0594  1936-47
51-0533 1948-57
51-0790 1948-57, Forged
51-0567 1958-84
51-0533
51-0567
51-0594
.036” Big Twin Engine Mount 
Shims 
for front and rear 1936-99. 
VT No. 31-1306
51-0529
51-0511
51-0512
51-0510
51-0598
51-0503
49-1259
51-0503
51-0508
51-0528
51-0502
51-0501
51-0545
51-0632
51-0592
31-0475
51-0593
51-0573
49-1258
51-0522
51-0644
51-0509
51-0427
27-0311
27-0664
49-2560