Dirty Boyz Motorcycles

Dirty Boyz Motorcycles The one on one attention your ride deserves. www.M8Headquarters.com Dynojet tuning, paint and machine shop. Michigans One stop shop! Appointment Based.
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Service center for Procharger, Baker drivetrain, S&S, Fueling, Dyno Jet, Jims and more. One on one Harley Performance Shop. Full Service. Oem and Custom Paint. Dyno tuning. Machine Shop. Procharger sales/service. www.M8Headquarters.com

CR 515 performing as it should. Gen 1 128" plus 1 head145/151Michigans One 🛑 Shop www.m8headquarters.com
09/02/2026

CR 515 performing as it should.
Gen 1 128" plus 1 head
145/151
Michigans One 🛑 Shop
www.m8headquarters.com

When your Milwaukee 8 or Twin Cam build requires a quality crankshaft assembly, we have you covered. A1cycles.net lifeti...
09/01/2026

When your Milwaukee 8 or Twin Cam build requires a quality crankshaft assembly, we have you covered.

A1cycles.net lifetime warranty and phenomenal tolerances.
Our coolers are always making the shipping trips back and forth.

Let's get one moving for your next build.
Michigans One 🛑 Shop
www.m8headquarters.com

131/149Gen 1Simple 129" bolt on kitWoods 22xe5.5injPowervision tuned.Michigan's One 🛑 Shop www.m8headquarters.com
08/26/2026

131/149
Gen 1
Simple 129" bolt on kit
Woods 22xe
5.5inj
Powervision tuned.
Michigan's One 🛑 Shop
www.m8headquarters.com

A1 Cycles.net "the fix" vs stockPocket dog slider for late model 6 speeds. Allows for a full engagement of third and fou...
08/17/2026

A1 Cycles.net
"the fix" vs stock
Pocket dog slider for late model 6 speeds. Allows for a full engagement of third and fourth gear. Resulting in a much stronger gear engagement.
Accompanies all of our back cut trans stacks.
Michigans One 🛑 Shop
www.m8headquarters.com

Cam install and tuning week around here.Enjoy your weekend folks!
08/07/2026

Cam install and tuning week around here.
Enjoy your weekend folks!

We use Cycle Rama Camshafts because they simply perform. On the Dyno, on the street and on the track. Many cam profiles ...
08/07/2026

We use Cycle Rama Camshafts because they simply perform. On the Dyno, on the street and on the track.

Many cam profiles can make a decent Dyno sheet but lack the seat in pants feel in real world conditions. Getting through each gear quickly is always the goal.

Michigans One 🛑 Shop
www.m8headquarters.com

08/07/2026

Thundermax quick shift in action. Flawless operation. Adjustable sensitivity and kill time that can be adjusted by the end user.

No sales ploys. No bs.
Just simple reliability.
www.m8headquarters.com

Some Dyno Sessions from the last week. Michigans One 🛑 Shop www.m8headquarters com
07/29/2026

Some Dyno Sessions from the last week.
Michigans One 🛑 Shop
www.m8headquarters com

137/146 Stock Head Gen 1M8headquarters 128" kitCyclerama CR485 camThis cam combo has been on our favorite list for many ...
07/23/2026

137/146
Stock Head Gen 1
M8headquarters 128" kit
Cyclerama CR485 cam
This cam combo has been on our favorite list for many years for great reason. Torque yes it does that!
Michigans One 🛑 Shop
www.m8headquarters.com

Some Dyno results from the past week. Enjoy your weekend y'all. Stay safe and ride easy.-Dirty
07/17/2026

Some Dyno results from the past week. Enjoy your weekend y'all. Stay safe and ride easy.
-Dirty

Address

559 10th Street
Plainwell, MI
49080

Telephone

+12696806005

Website

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