843
XL
10-0554
10-0560
10-0559
XLH-XLCH Cam
10-0558
10-4014
Cam Covers for XL 1971-up
Year
Chrome
Kick and
Electric
Start
Chrome
Kick
Start
Only
Chrome
Electric
Start
Only
Black
Electric
Start
Only
Polished
Kick &
Electric
Start
Polished
Kick
Start
Only
Polished
Electric
Start
Only
Cam
and
Primary
Screw
Sets
1971-76
10-0377 10-0572
10-0559
10-0591
37-8511
1977-80
10-0378 10-0573
10-0558
10-0592
37-8510
1981-85
10-0379
10-0560
37-8510
1986-90
10-0791
10-0857
10-0857 37-8509
1991-03
10-0554
10-0555 37-8508
2004-up
10-0563 10-0348
37-1202
VT No. OEM
Item
43-0387 25700600 Rocker Box Lower Housing, 2004-up
43-0390 34800032 Sprocket Cover, 2004-up
43-0391
As Above, Chrome
10-1431
43-0387
10-0563
Important Note:
Some items on this page may be emission-related parts subject to California or other emission control laws. Please see
note for important information regarding emission control regulatory compliance and warranty information.
HIGH PERFORMANCE AND DRAGSTER CAMS
VT No.
Year
Grind
Timing
Duration
@ .053
Duration
@ .020
Max
Lift
TDC
Lift
Fits
10-4014
10-4025
1971-80
1981-84
1984-85
PB+4/1
PB+4/1
w/alternator
34/40
43/31
258
254
298
298
.410
.410
.200
.192
4/1 Kit consists of exhaust cams only for use with Stock P intakes. Bolt-in power for
Sportsters with no head work, 2 piece set.
10-4040
10-4045
1957-70
1971-80
PB+
34/40
43/31
254
254
298
298
.410
.410
.208
.208
Fits Sportster with P or Q cams, bolt-in more power with great street grind. No head work
needed, more power through RPM range with stock springs. To 7000 RPM.
10-4075
10-4080
10-4090
1957-70
1971-80
1984-85
Y
w/alternator
35/47
53/29
262
262
310
310
.425
.425
.206
.182
Street 900/1000 Biggest cam available for no head work installation. Some 1982 engines
may require spring spacing. Stock springs are OK. Great mid and upper end power.
10-4110
10-4120
1971-80
1984-85
R5
w/alternator
33/41
43/31
254
254
306
306
.445
.445
.209
.200
Street Drags modified 900/1000 motors and small strokers. Big boost in torque over stock
cams (2000/7500 RPM). Stock springs are OK, but head set up required.
10-4145*
10-4150
1981-84
1984-85
X
w/alternator
35/55
57/33
270
270
314
314
.450
.450
.210
.206
Street Drags for stroker motors to 76”. More mid range and upper end power. Lower lift
results in easier installation in 1977 and later engines with extended pinion bearing hous-
ing. Stock springs are recommended.
Note: 1981-84 Cam Gear Kit differs from 1971-80 only on the #4 Cam which does not have a tachometer drive gear. Tachometer Gear 25517-71 is available separately as VT No. 12-1400
1986-up 883-1100-1200 XL Engine Cams
—
—
Stock
02/41
41/02
223
223
270
270
.458
.458
.094
.094
Listed for comparison
Note: 1985-87 exhaust cam lift is .414
10-8120
10-8125
10-8122
1986-90
1991-99
2000-up
V2
N2
16/44
46/18
240
244
290
290
.465
.440
.180
.155
Bolt-in cams for Stock 883, 1100 or 1200. More duration and lift means extra power
through RPM range. Stock springs and hydraulic lifters recommended. 2000 to 6000 RPM.
10-8140
10-8145
10-8123
1986-90
1991-99
2000-up
V4
N4
30/46
52/24
256
256
296
296
.490
.490
.216
.189
Street/Drags: Stock or modified 883/1100/1200. Slightly higher idle speed but stock
springs and hydraulic lifters recommended. RPM range: 2500 to 6500.
10-8165
1991-99
V6
34/50
56/28
264
264
302
302
.500
.500
.241
.212
Modified 1200’s to 80” and/or high compression pistons. Same intake as N8 but more
exhaust duration. Stock springs and hydraulic lifters recommended.
RPM range: 2500-6500.
Cam/Sprocket Cover Sets for 2004-up XL racing models.
Note: Requires new gaskets
VT No Item Finish
Cam Gearcase Cover Only
10-0489 Set Black Gloss 10-1431
10-0478 Set Chrome 10-1432
43-0390
10-0348
10-0489
10-0478
10-1432