Sportster Performance Kits
Tired of the headache of trying to piece together engine packages that may or may not work the way you planned? We have done the research for you and even packaged the proper components at significant savings over buying them separately! Each of these kits has not only proven itself on the dyno but in the real world also!
For the really BIG horsepower numbers, Stage 3 kits are available in bigger bore sizes. These kits are custom tailored to your needs and budget so call for details.
Bolt-On Big
Bore Kits |
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All Revolution™ cylinder and piston kits come complete with our one piece, all aerospace grade aluminum nickel-silicon carbide plated bore cylinders, complete forged piston kit and head and base gasket kit! Our industry leading lifetime warranty applies to all our cylinders! Now come and get’m!
Buy these in the new online store.
July 2009 Special! All of these kits are 10% off!Call us for pricing! |
| Description |
Contents |
Styles |
Price (U.S.) |
Buy Now |
| Bolt-on big bore kit, 1250cc (use with Thunderstorm heads) |
3-9/16 bore Revolution cylinders 10.5:1 dome forged pistons, pins, clips, rings head & base gaskets |
Black Highlight 201-502
Black 201-503
Silver 201-501 |
$899.95 |
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| Bolt-on big bore kit, 1250cc (use with XL1200S heads) |
3-9/16 bore Revolution cylinders 10.3:1 forged flat top pistons, pins, clips, rings head & base gaskets |
Black Highlight 201-405
Black 201-406
Silver 201-404 |
$899.95 |
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| Bolt-on big bore kit, 1250cc (use with XLH1200 heads) |
3-9/16 bore Revolution cylinders 10.5:1 forged dome pistons, pins, clips, rings head & base gaskets |
Black Highlight 201-402
Black 201-403
Silver 201-401 |
$899.95 |
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| Bolt-on big bore kit, 1250cc (use with XLH883 heads) |
3-9/16 bore Revolution cylinders 10:1 forged dish pistons, pins, clips, rings head & base gaskets |
Black Highlight 201-414
Black 201-415
Silver 201-416 |
$899.95 |
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| Monster Big Bore Kits |
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Kits come complete with Revolution all aluminum Nickel Silicon Carbide coated cylinders, forged pistons, wrist pins, locks, rings and head/base gasket kits, as well as a lifetime warranty. Available in natural silver, all black, and black with highlighted fins.
Our 3.875" bore kits deliver a whopping 90 inches to your big bore project in your OEM cases! This bore size can only be achieved by utilizing our one piece aerospace alloy cylinders and plating process. Don’t be fooled by the imitators. Go fast with the innovators! From a stump pulling touring machine to an all out race bike this is THE kit to have to be as big as you can be!
All require case boring.
Buy these in the new online store.
July 2009 Special! All of these kits are 10% off!Call us for pricing! |
| Description |
Contents |
Styles |
Price (U.S.) |
Buy Now |
| Big bore kit, 88" (1430cc) (use with Thunderstorm heads) (CASE BORING REQUIRED) |
3-13/16" bore Revolution cylinders 10.5:1 forged pistons, pins, clips, rings head and base gaskets |
Black Highlight 201-505
Black 201-506
Silver 201-504 |
$899.95 |
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| Big bore kit, 90" (1474cc) (use with Thunderstorm heads) (CASE BORING REQUIRED) |
3-7/8" bore Revolution cylinders 10.5:1 forged pistons, pins, clips, rings head and base gaskets |
Black Highlight 201-511
Black 201-508
Silver 201-510 |
$899.95 |
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| Power Packages |
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| Throttle body not included. |
| Description |
Contents |
Cylinder Styles |
Price (U.S.) |
| Stage 1 engine kit, 1200cc |
- Bore & hone cylinders to 3.515"
- 10.5:1 forged pistons, pins, clips, rings
- new Thunderstorm heads with Stage 1 head prep
- Complete Top End Gasket Set
|
Black Highlight, Black or Silver |
$2078.00 |
| Stage 2 Carb Engine Kit, 1250cc |
- 3-9/16 bore Revolution cylinders
- 10.5:1 pistons, pins, clips, rings
- New Thunderstorm heads with 1.85 Cylinder Head prep
- Complete Top End Gasket Set
- Matching Street Performance Camshafts
- Chromoloy Adjustable Pushrods
- Mikuni HSR42 Flatslide
- Forcewinder XR2 Aircleaner Kit
- Performance Lifter Kit
|
Black Highlight, Black or Silver |
$4237.95 |
| Stage 3 Carb Engine Kit, 1250cc |
- 3-9/16 bore Revolution cylinders
- 10.5:1 pistons, pins, clips, rings
- New Thunderstorm heads with 1.9 Cylinder Head prep
- Complete Top End Gasket Set
- Performance Cam
- Chromoly Adjustable Pushrods
- Collapsible Pushrod Tube Kit w/Billet Bases
- Roller Rocker Arms
- Mikuni HSR45
- Performance Intake Manifold
- Forcewinder XR2 Aircleaner Kit
- Performance Coil
- Performance Spark Plug Wires
- Performance Spark Plugs
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Black Highlight, Black or Silver |
$4895.00 |
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