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755
CLASSIC
Outer Primary Cover 1936-64
1936-64 Big Twin Inner Primary Cover Screw Kits include 
screws for outer cover, derby and inspection cover.
VT No.  Finish 
Type
7414-20 Chrome   
Acorn
8756-30 Chrome   
Allen
8155-30 Chrome  Screw 
Stock
8156-30 Cadmium  Screw  Stock 
9724-30 Parkerized  Screw  Stock
V-Twin
TM
 Replica Outer Primary Cover for 1955-64 Big 
Twins, order plug separately.
VT No. 
Finish 
Item
42-0880 
Black  
Cover
42-0881 
Chrome  
Cover
42-0385 
Chrome 
Cover Kit
37-8349 Plugs
14-0542 O-Ring
15-0417 
Primary Gasket and Plug Kit
Chrome Steel Outer Primary Cover for Big Twins. Early 
type is shallow in sprocket area. Compensator type is deeper 
for sprocket clearance.
VT No.  Type  Years 
Finish
42-0611 Early  1936-54 Chrome
42-0595 Early  1936-54 Black
42-0612 Comp  1955-64 Chrome
42-0594 Comp  1955-64 Black
42-0391  SS 
1936-64 Kit
42-0880
42-0881
42-0595
42-0594
42-0611
42-0612
42-0391
37-8349
15-0417
V-Twin
TM
 Replica 
Outer Primary 
Covers
 for 1936-
54 Big Twins are 
produced with 
new tooling for 
accurate fit and 
shape.
42-4154
42-3754
Derby Covers for tin outer primary. 
VT No.  #  Type/Finish
42-0627
 A Dimple/Chrome
42-0642  A  Dimple/Black
42-0870  A  Dimple/Replica Black
42-0873 A Dimple/Chrome
42-0875  A  Dimple/Replica SS
42-0614  B  Chrome
42-0628  C Bird/Chrome
42-1577   
World’s Fair
42-0627
42-0873
42-0614
B
C
A
A
42-0628
42-0875
A
VT No.  Type 
42-0871
  Black, Replica
42-0874  Chrome, Replica
42-0876  Stainless, Replica
42-0876
42-0659
42-0626
Chrome Inspection 
Covers 
for Big Twin.
VT No.  Type 
42-0659
 Flat 
42-0626 Dimpled
42-0641 Black
42-3640
42-0642
42-0870
42-1577
42-0385
VT No. 
Finish 
Year
42-3754 Black 
1941-54 
42-4154 Chrome 1941-54 
42-0372 
Black 
1941-54 Kit
42-3640 Black 
1936-40
Black Derby Cover Kit includes replica 
steel derby inspection cover, parkerized 
screw kit and cork gaskets. Kit features a 
black finish. 
VT No 42-0048