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| 2-STROKE |
| STAGE I | STAGE II |
| 2-STROKE TWIN |
| STAGE I | STAGE II |
| 4-STROKE |
| VPE 2-Stroke Stage I is designed to improve your engine's functioning and will be built around your preference to run either pump gas or race gas. Stage I porting enhances your engines performance where it was lacking in stock form. The rewards of this stage will be evident as an improvement to your ATV's jetting and performance. Head modifications are elective and can be done to satisfy the needs of either race or pump gas. Give yourself the benefit of getting more power while still being able to run pump gas. |
Stage I
Cylinder Porting Starting at $225.00
Head Mods $85.00 |

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| VPE 2-Stroke Stage II engine porting is our most prevalent stage design. Stage II engines will give you obvious power gains throughout the entire range of the rpm curve and VPE can give you the design that gets the most out of your 2-cycle engine. A VPE stage II engine can be custom ported to your riding technique and specifications. This will give you an enormous advantage over the opposition. Stage II engines do call for the use of race gas. |
Stage II
Cylinder Porting $450.00
Head Mod $85.00
Carb bore and/or polishing $65.00
VPE Reed Cages Call for Price |
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VPE 2-Stroke Stage I Twin Cylinder
Cylinder Porting $700 |

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VPE 2-Stroke Stage II Twin Cylinder
Cylinder Porting $1200.00
Head Mod $105.00
Carb Mods $135.00
VPE Reed Cages Call for Price |
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| VPE 4-Stroke Stage III engines are
built with power and reliability in mind. Our head mods are designed
to match the cam-bore size and performance needs. VPE builds the
four stroke around your gas preference using the sport you are in and matching the options below: |
CNC Head Porting
2-Valve Head
4-Valve Head
5-Valve Head
5-Valve Head (Raptor)
Raptor Big Bore- 1 mm over
Note: All porting includes disassembly and assembly, valve angle cuts, and valve adjustments.
Other Options: Big Bore Kits
Cams
Valve Spring Kits
Big Valve Kits
Strokers
Programmable Ignition
VPE Piston Kit
Optional Cylinder Plating
Note: Call VPE for the four stroke package that will work for you. Prices stated are for motocross porting. Prices vary for flat track, drag racing, etc. Call for details.
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Starting at $165.00
Starting at $375.00
Starting at $400.00
Starting at $400.00
$85.00
Call for pricing on all other options
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