Full Bore


Ski Doo 600, 593 Top End rebuild Kits.

Take the guess work out of rebuilding your Ski doo 593 600 top end.

Everything you need to rebuild your Skidoo 600 (593) top end. 

 Full Bore top end kits are returned to you with everything needed for your top end rebuild, including Your cylinders bored to the next available piston size.  pistons, rings, pins, bearings, circlips, head gasket, base gasket, exhaust gaskets and any other gaskets that come in a top end gasket set for your model.


Full Bore kit with pro x pistons

(Note file picture isn't for this model)

Ski Doo 600 (593) Top End rebuild Kits

Your cylinders (2) are bored up to 0.040" (1mm) oversize. Includes 2 Pro X pistons, rings, pins, bearings, circlips, head (o-rings) gasket, base gasket, and exhaust gaskets. 

Full Bore top end rebuild kits include everything needed for your top end rebuild.

  • Pistons
  • Rings
  • Top end gaskets
  • Circlips
  • Upper bearings
  • Wrist Pins
  • Your cylinders bored to fit.

Ski Doo 600, (Type 593) $325.

Rave mod for clearance $25 Per set.  Available in drop down menu.


Select with or without Rave mod


pro x logo

Piston Kit Features The ProX Racing Parts snowmobile pistons. Top level durability, quality and performance as you would expect from a ProX Racing Parts. Good and reliable parts that will increase the life span of your motor. ProX Racing Parts pistons for snowmobiles have the following special features:

• High quality cast piston made with dedicated tooling and molding

• Made from Hypereutectic alloy for extra strength and reduced expansion

• Special dual ring set up for improved durability and resistance to wear

• Full MOS2 skirt coating for improved breaking in and resistance to scuffing

• Anodized piston dome for increased protection against excessive heat

• Usage of high quality rings such as Riken for optimum heat transfer and sealing

• Packed in a box containing piston, rings, pin and clips A full ProX Racing Parts piston kit including: rings, pin & clips.

With these features and quality level, pistons from ProX Racing Parts are both a very reliable and cost effective way to maintain the engine of your sled in excellent condition!


For Ski Doo 600, type 593.

593 Engine Type

Formula Deluxe 600 Formula Deluxe 600 GSE ‘01

Grand Touring 600 SE ‘00-03

Grand Touring GS ‘02

GSX 500SS Sport ‘05-09

GTX 500SS Sport ‘06-09

Legend Sport 600 RER ‘03

MXZ 600 ‘99-01

MXZ 600 Sport ‘02

MXZ Adrenaline 500 SS ‘05-06

MXZ Adrenaline 600 ‘01

MXZ TNT 500SS ‘08-09

MXZ Trail 500SS ‘04-09

MXZ Trail 600 ‘01

MXZ Trail 600 ‘03-04

MXZ X 600 ‘01

Skandic 600 SUV ‘03-04

Skandic 600 W T LC ‘01-04

Summit 600 ‘99-01

Summit Sport 600 ‘02

Twin Cylinder, 2-Stroke

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Shipping your cylinders.

When shipping cylinders, pad them tightly with crumpled newspaper or dense foam, be sure cylinder (s) are secure and don't move freely in the box causing damage.

Don't forget to insure your shipment.  If you keep your shipping receipt, you can check online to see when it is received on our end.  Please send with signature required.  When we ship your cylinders or engine back,  you will receive an email with tracking info.
Be sure to include clear instructions of work requested, return address, and billing info, phone # and email address. 
If you have a pay pal receipt, please put a copy in with the cylinders or engine.

Placing an order is straight forward.

First find what you are looking for and make the payment right here on the website.

After making payment with buy it now button, ship your cylinders with a copy of receipt, contact phone #, return shipping address and any special requests.

If paying with a cashier check (certified bank check)  please contact us at info@fullboreonline.com to let us know it is coming so we can keep it in mind for scheduling.  Please note that we schedule our  workload by payments received and or deposits.  Shipping us something overnight doesn't mean we can do it immediately.  If you are in that big of a hurry, be sure to find out our current turn around time before ordering. 

Contact us

Email us at info@fullboreonline.com

 Phone 989-340-1321

Mon - Thur 9-5, Friday 9-4

Eastern time.

Shipping address (shipping only)

Full Bore
486 S Ripley Blvd
PMB #228
Alpena, MI 49707