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848
Replica Valve
Tappet Base Screws. 
Year 
1957-85 1986-90  1991-94 1995-03 
Acorn
 
  –– 
8867-4 
9765-4 
9766-4 
Allen
 
8782-4 
8782-4 
9759-4 
9760-4 
Hex, Cadmium
  9846-4 
  –– 
  –– 
  ––
Chrome Tappet Block Cover Set features 
contour for perfect fit over existing stock style 
tappet blocks, securely held in place by four 
chrome allen screws which are supplied. 
Pushrods must be removed for installation. 
Original design by Motoy-Cycle
TM
 Accessories. Fits 1957-85 
XLH-XLCH.
VT No. 42-0115
Developed in 1991
Chrome Tappet Base Cover is die cast one piece covering 
the area from the pushrod tube base to the cam cover. Fits 
1991-2003.
VT No. 42-0447
Chrome Tappet Cover fit 
XL models, 2004-up.
VT No.   Item
10-0565  
Cover
15-0544  Gaskets
Chrome Tappet Covers fit 1986-
90 XL, 4 piece 42-0113 style 
presses onto tappet block.
VT No. 42-0113
Tappet Base
Tappet Block for 1957-84 in polished finish.
VT No.  
OEM 
Brand
10-0522 
18607-57 
Jims, each
10-0182 
18607-57 
V-Twin, 4 Piece Set
10-0540 
18607-57 
Sifton Set
8782-4 
Screws 
Chrome Set, Allen
9846-4 
Screws 
Cadmium Hex Bolt Set
10-0540
42-0447
11-0609
11-0617
11-1111
Tappet Block Set fits 
1986-90 XL models. Set 
of 4.
VT No. 10-0593
Model and Year
Type
OEM
Sifton
TM
Nitrate
Steel
Sifton
TM
Steel
Sifton
TM
Nitrate
Steel
V-Twin
TM
Chrome
Steel
V-Twin
TM
Stainless
Steel
Nitrate
Ironhead Sportster
1958-69
Intake
18070-58
Exhaust
18080-58A
11-1107
11-0617
11-0631
Ironhead
Sportster
Intake
18070-70
11-1106
11-0609
11-0628
Exhaust
18080-58A
11-1107
11-0617
11-0631
1970-85
Exhaust
¹⁄₈
” O.S.
11-9646
Ironhead “R”
Intake 1¹⁵⁄₁₆
18070-70R
11-0665
1970-85
Exhaust 1³⁄₄” 18080-70R
11-0676
11-0618
11-0623
Note: All XL Valves with an “R” after OEM part number denote racing stem lengths, they are
.080” longer than the stock valves. All “R” type valves have a tulip shape head for maximum
flow. Valve face diameters are also larger which require a larger seat ground in the head.
Evolution 883cc
Intake
18031-86
11-1109
11-0671
1986-2003
Exhaust
18030-86
Evolution 1100-1200
1987-2003
Intake
18023-87
11-1111
11-0667
Exhaust
18024-87