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2004 & UP SPORTSTER Engine Kits |
THE 1250cc BOLT-ON BIG BORE KIT FROM NRHS: MAKE YOUR
NEW
SPORTY A
BIG BORE WITHOUT THE BIG EXPENSE! From $700.00 |
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Now that
 you've got the best looking and most
technically advanced Sportster in history in your
garage, NRHS
wants to help make your new XL run as good as it
looks with the introduction of our 1250cc bolt-on big bore kit.
Filled with
premium components, this kit is the perfect
foundation on which to build your American hot-rod, and best of all, no
case boring is required for installation!
Each of these kits includes a pair of premium
quality cylinders in your choice of cast iron, iron
lined aluminum, or
all-aluminum nicom plated construction. Our
testing has shown these cylinders are superior in
both ring seal and longevity to any other cylinder
of the same type on the market. Also included is a set of premium
quality
NRHS Hurricane forged pistons with tool steel
wrist pins, Total Seal rings, and
Cometic EST
gaskets. Take your Sporty to the
next level with a bolt-on big-bore kit from NRHS!
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Ordering Information
1250 Kits With Iron
Lined Aluminum Cylinders (shown above)
Iron Lined Aluminum construction offers greater structural
integrity with good heat dissipation and excellent
ring seal.
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Description |
Black w/Highlighted Fins |
Silver |
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3-9/16 bore
iron lined aluminum cylinders
10.5:1 pistons,
pins, clips, rings
head and base
gaskets |
004-NAIL3563XL04K-BH
$700.00
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004-NAIL3563XL04K-S
$700.00
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1250 Kits With Axtell Cast
Iron Cylinders (shown above)
Cast iron construction offers the ultimate in
structural integrity and ring seal. Cylinders
come only in black baked finish. Fin
highlighting is not available. Powder coating is
available for an additional $100.00
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Description |
Black |
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10.5:1 pistons,
pins, clips, rings
head and base
gaskets |
004-NACI3563XL04K-B
$820.00
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1250 Kits With
Axtell Nicom Plated Aluminum Cylinders
(top photo)
All-Aluminum construction offers the lightest
weight and best heat dissipation.
Other powder coat colors available, please call for
details.
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Description |
Highlighted Fins |
Standard Fins |
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3-9/16 bore
Axtell nicom plated aluminum cylinders
10.5:1 pistons,
pins, clips, rings
head and base
gaskets |
004-NA3563XL04K-H
$1270.00
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004-NA3563XL04K
$1220.00
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3-9/16 bore Axtell nicom plated
aluminum cylinders
10.5:1 pistons,
pins, clips, rings
head and base
gaskets |
004-NA3563XL04K-SH
$1370.00
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004-NA3563XL04K-S
$1320.00
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3-9/16 bore Axtell nicom plated
aluminum cylinders
10.5:1 pistons,
pins, clips, rings
head and base
gaskets |
004-NA3563XL04K-BH
$1370.00
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004-NA3563XL04K-B
$1320.00
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NEW! 88"and now
90" BIG
BORE KITS FOR THE 2004 & UP SPORTSTER
From $820.00 |
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Turn your new XL
 into the absolute nastiest hot-rod
around!
These kits take your Sporty out to
the maximum bore size you can get in your stock
cases. Of course, this engine kit
comes with the finest quality components money can
buy:
Axtell all-aluminum, Axtell iron lined aluminum, or Axtell cast iron cylinders,
matching
forged Hurricane pistons with tool steel
wrist pins, Total Seal rings, and
Cometic EST
gaskets! Note: case boring is required for installation.
90ci Kits
With Axtell Cast Iron Cylinders
Cast iron construction offers the ultimate in
structural integrity and ring seal. This is
especially important in the 90ci application as the
cylinder wall becomes thin. Our testing has shown
that aluminum is not strong enough to maintain good
ring seal in this application, but cast iron works
very well. Cylinders
come only in black baked finish. Fin
highlighting is not available. Powder coating is
available for an additional $100.00
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Description |
Black |
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head and base
gaskets
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004-NACI3875FT-B
$840.00
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88ci Kits
With Iron Lined Aluminum Cylinders
For those who want light weight, good heat
dissipation, and and more structural integrity we
now offer 88" Axtell cylinders in aluminum with a
cast iron sleeve. These cylinders are built to last
with heavy duty ribs in the
cooling fin areas. Other powder coat colors
available, please call for details.
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Description |
Highlighted Fins |
Standard Fins |
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head and base
gaskets |
004-NR3813CIXB12S-H
$1170.00
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004-NR3813CIXB12S
$1120.00
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head and base
gaskets |
004-NR3813CIXB12S-SH
$1270.00
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004-NR3813CIXB12S-S
$1220.00
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head and base
gaskets |
004-NR3813CIXB12S-BH
$1270.00
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004-NR3813CIXB12S-B
$1220.00
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88ci Kits With
Nicom Plated Aluminum Cylinders
All-Aluminum construction offers the lightest
weight and best heat dissipation.
Other powder coat colors available, please call for
details.
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Description |
Highlighted Fins |
Standard Fins |
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3-13/16 bore
Axtell aluminum cylinders
10.5:1 pistons,
pins, clips, rings
head and base
gaskets
case boring required |
004-NA3813XL04K-H
$1270.00
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004-NA3813XL04K
$1220.00
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3-13/16 bore
Axtell aluminum cylinders
10.5:1 pistons,
pins, clips, rings
head and base
gaskets
case boring required |
004-NA3813XL04K-SH
$1370.00
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004-NA3813XL04K-S
$1320.00
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3-13/16 bore
Axtell aluminum cylinders
10.5:1 pistons,
pins, clips, rings
head and base
gaskets
case boring required |
004-NA3813XL04K-BH
$1370.00
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004-NA3813XL04K-B
$1320.00
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Performance tip: Although the XB/'04 XL1200
head is a better piece, Thunderstorm type pistons
use an angled squish band that improves chamber
efficiency over the flat bathtub style used in the
XB heads. For the optimum in performance, let NRHS
cut a 15 degree squish band into your XB/'04 XL1200
heads and match this up to a Thunderstorm engine
kit. |
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ARE YOU READY FOR
THE POWER THAT ONLY PORTED HEADS CAN PROVIDE? AN
NRHS STAGE 1/2/3 BOLT-ON KIT IS THE ANSWER!
From
$1170.00 |
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The NRHS 2004 XL Stage 1/2/3 kits are matched
packages that are proven on the dyno and on the
street to work exceptionally well together. Buying a
matched package takes the guesswork and error out of
your project!
Not seeing what you want? Give us a call! We have
tremendous experience at hot-rodding and racing XL's
and we'll be happy to put together a package that
works for you.
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Description |
Black with
Highlighted Fins
04 and up 1200r
heads |
Silver
XB heads
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High Performance
Ignition |
005-NR3515XL04S1EK
$1170.00
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Matching Street Performance Camshafts |
005-NA3563XL04S2EK-H
$2530.00
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005-NA3563XL04S2EK
$2650.00
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Matching Street Performance Camshafts |
005-NA3563XL04S2EK-SH
$2650.00
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005-NA3563XL04S2EK-S
$2770.00
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Matching Street Performance Camshafts |
005-NA3563XL04S2EK-BH
$2900.00
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005-NA3563XL04S2EK-B
$3030.00
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