481
CLASSIC
V-Twin Replica Case Set
V-Twin “Shop Ready” Replica Case Sets and Replacement
Let Hand Cases for Big Twins feature left side number boss
which is left blank. The 1948‑54 case set used stock type loose
rollers on both pinion and sprocket shaft and the 1956‑69 case
sets use a Timken bearing on the sprocket shaft and loose
rollers on the pinion shaft side. Both the case sets and left hand
only cases are slightly thicker than stock for added strength.
VT No. Item
Fits
10-0954 Case Set
1948‑54
10-0955* Case Set
Custom
10-0294 Case Set
1958‑62
10-0843 Left Case Only
1948‑54
10-0345 Left Case Only
1948‑54
10-0937 Left Case Only
1955‑64
10-0938 Left Case Only
1965‑69
*Note: 10‑0955 case set is drilled and tapped for overhead oil
line. Allows use of Shovelhead or 1963‑64 Panhead top ends to
be used. Includes Timken bearing for left side.
Welch Plug
for Early
Cases, 5
pack.
10-0937
10-0938
10-0954
Timing Plugs are available in stock size ⁵⁄₈ — 18 thread
unless noted as oversize (O.S) which is ¹¹⁄₁₆ — 16
thread.
A. Acorn style plug fits all models Big Twin models tim‑
ing plug holes and oil tanks.
VT No.
Type
7106-1
Chrome
B. Acorn style plug with oversize thread and one tap for rethreading stripped out
timing hole. Fits all timing holes.
VT No.
Type
7500-2
Plug and Tap (Oversize)
7501-1
Plug Only (Oversize)
9407-1
¹¹⁄₁₆
”—16 Tap (Oversize)
C. Stock timing plug.
8114-1
Chrome
8115-1 Cadmium
9404-1
Cadmium (Oversize)
9714-1
Parkerized (Oversize)
9504-1
Parkerized as above, ⁷⁄₈” Hex
9503-1
As above cadmium
D. Functional and custom design plug fits all Big Twin
models and Sportster timing plug holes and oil tanks.
8610-1 Chrome
8611-1 Cadmium
E. Allen style plug use on all 1970‑up replaces 720.
9402-1 Chrome
9403-1 Cadmium
9960-1
Chrome (Oversize)
Timing Plugs
A
C
D
E
B
A
E
8610-1
9402-1
B
7500-2
Generator and
Relay Mounts
Right Side
Timing Cavity
OE Style Number
Boss Detail!
Components are:
• Cam Bushing or Bearing
• Left Case Race or Timken
Assembly
• Idler Gear Stud
• Circuit Breaker Stud
• Oil Pump Drive Bushing
• Right Case Bushing
• Cylinder Base Studs
• Dowel Pins
• Case Bolt Set
• Tappet Oil Screen
• Breather Tube
• Drain and Timing Plug
C
10-0955
D
10-0345
VT No. Size
12-0599 ¹⁄₂” Welch Plug
12-0595 ⁹⁄₁₆” Welch Plug
12-0596 ³⁄₈” Welch Plug
12-0623 .619 Welch Plug
12-1166 Timing Cover Pin
10-0843