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1986-2003 SPORTSTER
Engine Kits |
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AN INDUSTRY
STANDARD: THE NRHS BOLT-ON 1250 KIT FOR EVOLUTION SPORTSTERS
Now available with your choice of iron lined aluminum, or full cast iron construction
cylinders!
From $699.95 |
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We’ve sold
 literally
thousands of these kits since their introduction in 2001. Why do they
sell so well? BECAUSE THEY WORK! Customers report huge increases in
torque and horsepower, as well as longevity and reliability and without
the expense and down-time of other big bore kits because no
case boring is required for installation! And now we're
proud to offer this kit with your choice of premium quality NRHS iron lined
aluminum, or Axtell full cast iron construction
cylinders. Our testing has shown superb ring seal, power, and longevity
with each of these kits. Each of these kits also includes top quality
NRHS
Hurricane forged pistons and tool steel wrist pins, Total Seal
rings, and
Cometic EST gaskets. Give your Sportster the BEST parts money can
buy: the bolt-on big bore kit from the inventor of the 1250 kit, NRHS!
Kits are available for XL1200, XL1200S, Thunderstorm, and XB/'04 XL1200R
heads. |
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Ordering
Information
1250 Kits With NRHS 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
also for 1995-1996 Buell S2/S2T models |
004-NAIL3563XLK-BH
$699.95
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004-NAIL3563XLK-S
$699.95
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head & base gaskets |
004-NAIL3563XLSK-BH
$699.95
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004-NAIL3563XLSK-S
$699.95
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head & base gaskets |
004-NAIL3563TSK-BH
$699.95
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004-NAIL3563TSK-S
$699.95
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head & base gaskets |
004-NAIL3563XB12SK-BH
$699.95
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004-NAIL3563XB12SK-S
$699.95
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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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head & base gaskets
also for 1995-1996 Buell S2/S2T models |
004-NACI3563XLK-B
$820.00
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head & base gaskets |
004-NACI3563XLSK-B
$820.00
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head & base gaskets |
004-NACI3563TSK-B
$820.00
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head & base gaskets |
004-NACI3563XB12SK-B
$820.00
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Performance tip: Although
the XB/'04 XL1200 head is a better piece, Thunderstorm type pistons use
a superior 15 degree angled squish band arrangement. For the optimum in
performance, let NRHS cut a 15 degree squish band into your XB/'04
XL1200 heads and use a Thunderstorm engine kit.
An NRHS/Axtell
1250 kit and
Stage 2
XL1200R heads shown installed
on a Buell
S2 owned by Sam Matteo
Right side |
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FOR THE
ULTIMATE POWER FROM YOUR SPORTSTER: THE NRHS 88" KIT FOR
EVOLUTION SPORTSTERS!
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This kit is
not for the faint of heart!
 Your
Sportster will surprise and amaze you with the torque and horsepower
these kits produce. Power is right there for the taking, it comes on
early and often. Tuned properly, the engine’s reliability and longevity
is actually enhanced in the process due to the premium quality
Axtell aluminum cylinders with cast iron sleeves,
NRHS
Hurricane forged pistons and tool steel wrist pins, Total Seal
rings, and
Cometic EST gaskets found in this kit. You can’t buy a better kit
for your Sportster, anywhere at any price! Note: This kit requires
the engine to be disassembled and the cases
to be bored
88ci Kits With Axtell 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 iron lined aluminum
construction 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 |
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head and base gaskets
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004-NR3813CITSK-SH
$1220.00
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head and base gaskets
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004-NR3813CITSK-BH
$1220.00
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head and base gaskets
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004-NR3813CIXB12S-SH
$1220.00
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head and base gaskets
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004-NR3813CIXB12S-BH
$1220.00
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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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GET A COMPLETE MATCHED PACKAGE WITH AN
NRHS STAGE 1/2/3 POWER KIT!
From $1500.00,
includes NEW 04 and up 1200 Heads |
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Don’t mess
around with poorly matched components, get a matched
combination from NRHS! Listed below are some of our most popular
packages, proven on the dyno and on the street. Or give NRHS a call and
let us put together something made just for you that we know works.
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Description |
Black with Highlighted Fins
04 and up 1200r heads |
Silver
XB heads |
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005-NR3515TSS1EKH
$1375.00
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Matching Street Performance Camshafts |
005-NA3563TSS2EKH-H
$2425.00
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005-NA3563TSS2EKH
$2550.00
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Matching Street Performance Camshafts |
005-NA3563TSS3EKH-H
$2525.00
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005-NA3563TSS3EKH
$2650.00
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Matching Street Performance Camshafts |
005-NA3563TSS3EKH-SH
$2775.00
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005-NA3563TSS3EKH-S
$2900.00
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