440cc Big Bore - STEALTH (Steel Liner)
440cc Big bore - STEALTH (Aluminum Liner)
460cc Big Bore/Stroker - STEALTH (Steel Liner)
460cc Big bore/Stroker - STEALTH (Aluminum Liner)
Click here to see additional performance options for your TRX400EX!
TRX440 Stealth Big Bore (Steel)

| $725 | We Modify your cylinder |
| $800 | Exchange Cylinder |
| $1125 | "Bolt On" - Includes Cylinder |
| $1025 | Optional Install and Blue Print |
TRX440 STEALTH (Steel) Specifications: |
Fits 1999 - Current TRX400EX and 1996-2004 XR400 |
| Bore: Yes | Stroke: No | Actual Displacement = 435.48cc |
| Engine Modifications Included: | |||||
| Cylinder: | OEM Cylinder re-sleeved w/steel liner and matched to overbore piston | ||||
| Fuel Required: | 91 - 110 octane - Options Available | ||||
| Piston: | Wiseco Piston - Max Power Extreme Coated | ||||
| Gaskets: | Top end gaskets included. | ||||
| Crankcase/Head: | No modification required | ||||
Click Here to order this kit now!
TRX440 Stealth Big Bore (Aluminum)

| $925 | We Modify your cylinder |
| $1000 | Exchange Cylinder |
| $1325 | "Bolt On" - Includes Cylinder |
| $1225 | Optional Install and Blue Print |
TRX440 STEALTH (Aluminum) Specifications: |
Fits 1999 - Current TRX400EX and 1996-2004 XR400 |
| Bore: Yes | Stroke: No | Actual Displacement = 435.48cc |
| Engine Modifications Included: | |||||
| Cylinder: | OEM Cylinder re-sleeved w/aluminum liner and plated with Apticote 2000 Ceramic bore coating | ||||
| Fuel Required: | 91 - 110 octane - Options Available | ||||
| Piston: | Wiseco Piston - Max Power Extreme Coated | ||||
| Gaskets: | Top end gaskets included. | ||||
| Crankcase/Head: | No modification required | ||||
Click Here to order this kit now!
TRX460 Stealth Big Bore (Steel)


| $1180 | We Modify your cylinder |
| $1255 | Exchange Cylinder |
| $1580 | "Bolt On" - Includes Cylinder and Crankshaft |
| $1480 | Optional Install and Blue Print |
TRX460 STEALTH (Steel) Specifications: |
Fits 1999 - Current TRX400EX |
| Bore: Yes | Stroke: Yes | Actual Displacement = 460.36cc |
| Engine Modifications Included: | |||||
| Cylinder: | OEM Cylinder re-sleeved w/steel liner and matched to overbore piston | ||||
| Fuel Required: | 91 Octane | ||||
| Piston: | CP Piston - Max Power Extreme Coated | ||||
Crankshaft: | Aftermarket Stroker Crankshaft | ||||
| Crankcase/Head: | No modification required | ||||
Click Here to order this kit now!
TRX460 Stealth Big Bore (Aluminum)


| $1380 | We Modify your cylinder |
| $1455 | Exchange Cylinder |
| $1780 | "Bolt On" - Includes Cylinder and Crankshaft |
| $1680 | Optional Install and Blue Print |
TRX460 STEALTH (Aluminum) Specifications: |
Fits 1999 - Current TRX400EX |
| Bore: Yes | Stroke: Yes | Actual Displacement = 460.36cc |
| Engine Modifications Included: | |||||
| Cylinder: | OEM Cylinder re-sleeved w/aluminum liner and plated with Apticote 2000 Ceramic bore coating | ||||
| Fuel Required: | 91 Octane | ||||
| Piston: | CP Piston - Max Power Extreme Coated | ||||
Crankshaft: | Aftermarket Stroker Crankshaft | ||||
| Crankcase/Head: | No modification required | ||||
Click Here to order this kit now!
Prices subjet to change without notice. Please call to confirm pricing.