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Harley Davidson Extreme Modification

This is the gear head section. Tell us about the modifications you have done, dyno pulls, 1/4 mile ET slips and other topics of interest.
Pepper Miller
Dynojet has made changes to the Power Commander V
Replies
3
Views
3K
TheOriginalEasyrider
TheOriginalEasyrider
CRCKR
Not extreme...Derby cover question
Replies
0
Views
1K
CRCKR
CRCKR
DIEHARD
2003 Dyna Low Rider 70t rear pulley to 65t rear pulley
2
Replies
14
Views
7K
dolt
dolt
dolt
New 120ST Crate Motor
2 3
Replies
29
Views
16K
427dave
427dave
F
Looking at m,y 95 build.
2 3 4
Replies
37
Views
7K
Fisherking
F
T
pc3 maps
Replies
2
Views
2K
twin.cam.sam
T
W
Buell heads
Replies
2
Views
1K
Wheeler
W
F
Singh Grooves
Replies
5
Views
2K
Fisherking
F
F
Cyco Gaskets
2
Replies
15
Views
8K
Fisherking
F
Rod Stewart
Can I Retrofit an '07 103" & 6 Spd Into an '04 Classic?
Replies
4
Views
2K
Rod Stewart
Rod Stewart
90FXRS
Hi Performance Belt
Replies
3
Views
1K
joel
joel
J
TTS Mastertune
Replies
0
Views
1K
Jack Klarich1
J
J
M8 Head Breathers
Replies
0
Views
2K
Jack Klarich
J
ROADKING107
I need help please!
2
Replies
15
Views
4K
Jack Klarich
J
BigMike57
S&S 106 Hot Setup
2
Replies
11
Views
5K
hogrotten
hogrotten
cdn-bigfoot
Mustang saddlebags on a Dyna you say?
2
Replies
13
Views
4K
Anthony Kayl
A
F
CC of SE pistons
2
Replies
14
Views
4K
dolt
dolt
U
Throttle body and engine swap
2
Replies
18
Views
13K
Fisherking
F
Mikvi
Another Stage 2 build
2
Replies
16
Views
5K
FishHunter
F
F
andrews 26 cam in 95 build
19 20 21
Replies
203
Views
54K
Fisherking
F
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