Availability

- In Stock Items. Ships Today. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (24) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Make/Model
Section
- Bearings & Bearing Spacers
- Pistons & Piston Rings
Part Type
- Powersports Piston and Ring Kits (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Piston Rings (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Crankshaft Bearings and Bushings (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Wrist Pins (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Piston Wrist Pin Retainers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Crank Pin Bearings (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Price Range
Filter Options

KTM 300 EXC Wiseco Engines & Components

Showing In Stock Items. Show All 24 Items.

Individual Parts

Part Groups

Results 1 - 13 of 13

Wiseco Piston Retaining Clips CW18

Piston Wrist Pin Retainers, Retaining Clips, Wire Lock Type, Steel, 0.049 in. Thickness, 0.709 in. Wrist Pin Diameter, for use on Honda®, KTM, Pair

Part Number: WIS-CW18

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Wiseco Powersports Piston Wrist Pins S513

Piston Pin, Steel, Tapered, 18.00mm x 58.50mm, Each

Part Number: WIS-S513

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Main Bearings B5045

Bearings, Powersports, Engine, Main Bearing, Roller, Right Side, Kit

Part Number: WIS-B5045

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits 631M07300

Wiseco Powersports Pro-Lite Piston Kits 631M07300

Piston and Ring Kit, Forged Aluminum, 73.000mm Bore, KTM, Kit

Part Number: WIS-631M07300

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1996-2003 300 EXC, 300 MXC, 1996 300 SX - 712M07200

Piston and Ring Kit, Forged Aluminum, 72.000mm Bore, KTM, Kit

Part Number: WIS-712M07200

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1991-1994 300 EXC, 300 MXC - 631M07250

Engine Piston, KTM 300 EXC '90-94 ProLite 2854CD

Part Number: WIS-631M07250

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2835CD

Piston Rings, Chrome, 72.00mm Bore, Set

Part Number: WIS-2835CD

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Powersports Piston Wrist Pins S477

Piston Wrist Pin, Powersports, Tapered, Steel, 18.00mm Diameter, 52.70mm Length, Each

Part Number: WIS-S477

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Main Bearings B5040

Bearings, Powersports, Engine, Main Bearing, Roller, Left Side, Kit

Part Number: WIS-B5040

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Crank Pin Bearings B1045

Powersports Crank Pin Bearings, Crank Pin Bearing, KU, Each

Part Number: WIS-B1045

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2874CD

Piston Rings, Chrome, 73.00mm Bore, Kawasaki, KTM, Polaris, Set

Part Number: WIS-2874CD

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2854CD

Piston Rings, Chrome, 72.50mm Bore, Kawasaki, KTM, Polaris, Yamaha, Set

Part Number: WIS-2854CD

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1996-2003 300 EXC, 300 MXC - 712M07300

Engine Piston, KTM 300 EXC '96-03 ProLite 2874CD

Part Number: WIS-712M07300

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Page 1 of 1