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500
Tappet Assembly
VT No.  Size 
Year 
Type 
Model
10-0785  STD 
1948-52 Solid 
Panhead
10-0674  STD 
1953-85  Hydraulic Pan-Shovel
10-0777* .005 
1953-85  Hydraulic Pan-Shovel (.7367 OD)
10-0778* .010 
1953-85  Hydraulic Panhead-Shovelhead
10-0670* Standard  1953-85  Hydraulic Panhead-Shovelhead
*Note: Max Roller Type
Tappet Roller Repair Kit includes four pins and four roller 
assemblies for 1929-84. 
VT No. 
Brand
10-0520 V-Twin
12-1179  Pins Only, 10 pack
Solid Tappet
Hydraulic 
Tappet
Hydraulic Tappet Units replace 17920-53 fits 1953-85 Big Twin.
VT No. 
Brand 
U/M
10-0521 Crane 
Each
10-0199  Sifton
TM
 Each
10-0198  Sifton
TM
 
Four Piece Set
10-0277  Replica 
Four Piece Set
10-0333  VT 
Rowe Set
Tappet Adjusting Screws and Nuts.
VT No.  U/M 
Fits 
 
  Item 
Type
10-0541  Set 
1936-52 Big Twin OHV Kit 
OE Style
10-0985* Set 
1936-52 Big Twin OHV Kit 
Eastern Style
10-0516  4 pack 1936-52 Big Twin 
  Screw  Eastern Style
12-0523  10 pack 1936-52 Split 
  Nuts 
Eastern Style
12-1196* 4 pack 1957-85 Big Twin 
  Screw
*Note: ⁹⁄₃₂ - 32 thread.
Replacement Nuts fit each brand of pushrods or tappets.
VT No.  Brand   
Size 
U/M
37-8866  V-Twin  
⁵⁄₁₆
 - 32 
4 pack
12-0524 Eastern 
⁹⁄₃₂
 - 32 
10 pack
10-0541
Big Twin Tappet Assemblies 
include roller assembly installed. 
Choose Jims, Eastern or Sifton. Jims 
does not include adjuster screws or 
nuts where necessary. Jims available 
with Big Axle Roller Assembly.
Big Axle  Standard
Jims 
Eastern Sifton  Size
1948-52 Solid
10-0630 
10-0500      — STD
10-0631 
10-0501      — .005
    — 
10-0523      — .010
    — 
10-0450      — .015
1953-85 Hydraulic
10-0634 
10-0504      — STD
    — 
    — 
10-0570* STD (Set)
10-0635 
    — 
10-0505* .005
    — 
    — 
10-0525* .010
    — 
    — 
10-0681* .005 (Set)
    — 
    — 
10-0886* .010 (Set)
    — 
10-0530      — .015
    — 
10-0531      — .020
    — 
10-0532      — .025
*Note: V-Twin Replica Type
Big Axle      Standard   
Roller Types
Sifton Maxi-Axle Tappet Assemblies 
fit 1953-84 Big Twin feature built in 
integral pump unit to set as a full 
hydraulic unit.
VT No. 
Size
10-0580 STD
10-0581 .002
10-0582 .005
10-0585 .010
10-0580
Sifton Big Twin Hydraulic Tappet 
Assembly 
Set of Four, feature centrifu-
gal surface fine grinding and precision fit 
max-axle rollers and pins. Fit 1953-84.
VT No.  
U/M 
Outside Diameter
10-0670  Set (4)  .7310
10-0673  Set (4)  .735
10-0671 Each  .731
10-0588
10-0671
10-0670
12-0524
10-0199
10-0198
10-0770
Sifton Tappet Assembly; Sets of 4, feature centrifugal surface 
fine grinding and precision fit rollers and pins. Solid units include 
adjuster screws and lock nuts. 
VT No.  Size  Year    Type 
Model
10-0770  STD 1948-52  Solid 
Panhead
10-0771  .005 1948-52  Solid 
Panhead
10-0772  .010 1948-52  Solid 
Panhead
10-0588 .002  1953-85  Hydraulic  Pan-Shovelhead
Lightning Tappet Assemblies fit 1948-52 Big Twin. 
Complete units precision machined and drilled for early 
engines. Holes allow better lubrication in valve train. 
Adjuster screws included. Sold each unless noted.
VT No.  Size
10-0935 STD, Set of 4
10-0512 STD
10-0513 .005
10-0520
Sifton Hydraulic Tappet Assembly
Lifters with replica rollers. are sold in sets 
of four. Order hydraulic unit set separate-
ly. Also available in eight piece tappet and 
hydraulic unit kit.
VT No.   OEM 
Item
10-0313 18522-53A  Tappet Body Set
10-0776 18522-53A   As Above
10-0315 18522-53S  As Above, replica
10-0314 Hydraulic Tappet Body and  
 
Lifter Set
10-0314
10-0935
Sifton Tappet Assembly Kit includes tappets with large single 
axle roller design and hydraulic or solid units for 1953-84 Big Twin.
VT No.   Type
10-0680
 Hydraulic
10-0768 Solid
10-1451 Hydraulic, 4 piece set, large pin roller
10-1451
10-0680