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CAN-AM X3 DARTON MID SLEEVE HIGH PERFORMANCE CRANKCASE
The Can-Am/Rotax 900 ACE engine platform is now in play for the Darton MID sleeving process. Choose from 74, 75 or 76mm bore sizes, includes copper O-Rings to contain combustion and drilled and tapped for ARP 7/16 coarse thread head studs for ultimate clamping. Best of all, we do our best to keep these sleeved cases on the shelf for immediate delivery. Darton pioneered modular sleeve designs and specialty ductile iron material beginning with top fuel sleeves for Keith Black Racing Engines and Milodon Engineering in 1978. This experience, our racing heritage, and our highly experienced staff of machinists and racing engine builders offered a unique set of blended talent to solve inherent block weakness design in the currently available engines where bore sizes were intended to be increased. Features include:
- Improved block integral strength
- Improved cooling
- "Wet sleeve" replace-ability
- Increased horsepower output potential
- Superior oil and compression control
- Kits can be installed by your local machine shop
- High boost and horsepower potential · Superior cylinder sealing and ring wear
- Bulletproof Darton ductile iron, 130,000 psi tensile strength
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Part # |
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Description # |
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Buy Now |
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Status |
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| BC4912C |
X3 HIGH PERFORMANCE CRANKCASE - Features Darton MID Sleeves installed, O-Rings, Drill & Tap, ARP Custom 7/16” Head Studs - Customer Supplies Crankcase |
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In-Stock |
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| BC4912N |
X3 HIGH PERFORMANCE CRANKCASE - Features Darton MID Sleeves installed, O-Rings, Drill & Tap, ARP Custom 7/16” Head Studs, - BC Supplies New Crankcase (#420893001) |
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In-Stock |
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CAN-AM X3 CYLINDER SUPPORT SYSTEM (CSS) HIGH PERFORMANCE CRANKCASE
CSS has developed a proven technique for strengthening OEM aluminum open deck blocks. Proven in 1200+whp Honda 4-cylinder engines, the CSS support system is perfect for the open deck Can-Am X3’s. The BC/CSS case features a +1mm oversize bore (75mm) for added displacement, copper O-Rings to contain combustion and drilled & tapped head bolt holes to accommodate BC custom ARP head studs (included). These studs feature 7/16” diameter, coarse thread (1.75) into the case and the stock 9mm fine thread into the head. The most common issue with X3 cases at bigger power levels is pulling the threads out of the case half. Made from ARP2000 material, the 7/16” diameter, coarse thread is overkill on clamp load, offering proper sealing of the cylinder head, Cometic MLX head gasket (included) and O-Ringed case for big boost! |
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Description # |
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Status |
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| BC4913C |
X3 HIGH PERFORMANCE CRANKCASE - Features CSS Support System , O-Rings, Drill & Tap, ARP Custom 7/16” Head Studs - Customer Supplies Crankcase |
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In-Stock |
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| BC4913N |
X3 HIGH PERFORMANCE CRANKCASE - Features CSS Support System , O-Rings, Drill & Tap, ARP Custom 7/16” Head Studs, - BC Supplies New Crankcase (#420893001) |
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In-Stock |
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CAN-AM X3 / ROTAX 900 DARTON SLEEVES
The Darton MID™ Sleeve Kit is available for many series of 4, 6, and 8 cylinder import and domestic engines and provides for maximum bore sizes and boost potential. The benefits of our MIDseries kits are:
| Cast iron performance in an aluminum block
Improved block integral strength
Improved cooling
Kits can be installed by your local machine shop
"Wet sleeve" replace-ability
Full installation manual available on website
Increased horsepower output potential |
High boost and horsepower potential
Superior oil and compression control
Superior cylinder sealing and ring wear
Street or strip application
Bulletproof Darton ductile iron,
130,000-psi tensile strength |
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Description # |
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Darton P/N |
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Bore Size |
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Semi Bore |
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O.D. |
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Wall Thk |
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Length |
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Flange Thk |
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Flange Dia |
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Status |
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| BC8093 |
BLOCK SLEEVES - Darton M.I.D. (Can-Am X3) |
800-CAN |
74mm-76mm |
2.893" |
3.015" |
0.255" |
5.780" |
0.400" |
4.840" |
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In-Stock |
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CAN-AM X3 HEAD GASKETS
Cometic gaskets combine advanced materials with state-of-the-art manufacturing processes to provide custom-tailored solutions to meet the needs of each individual application. The MLX head gasket is comprised of a three layer setup - Viton coated embossed spring steel outer layers surround a steel inner layer that provides support and thickness to the gasket. Embossments on the gasket allow for a proper seal around oil and water passages. |
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Bore |
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Status |
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| BC8293 |
GASKETS - Cometic (Can-Am X3) - MLS 3 Layer, .051" Thickness, works with 74 and 75mm Bore |
74-75mm |
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In-Stock |
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| BC8294 |
GASKETS - Cometic (Can-Am X3) - MLX 3 Layer, .028" Thickness, works with 74 and 75mm Bore |
74-75mm |
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In-Stock |
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| BC8295 |
GASKETS - Cometic (Can-Am X3) - MLX 3 Layer, .036" Thickness, for 11mm Studs, works with 74-75mm Bore |
74-75mm |
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In-Stock |
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| BC8295-5 |
GASKETS - Cometic (Can-Am X3) - MLS 3 Layer for O-Ring case, .036" Thickness, for 7/16" Studs, works with 74-76mm Bore |
74-76mm |
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In-Stock |
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619.749.9018 ph
619.749.9128 fx
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| Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved.. |
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WARNING: This product can expose you to chemicals,
including Chromium (hexavalent compounds), lead and lead
compounds, which are known to the State of California to
cause cancer, birth defects or other reproductive harm. For
more information, visit www.p65warnings.ca.gov |
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/td>
