SKU: 60671119381

MR17 | VORTEX | PRO Kart Racing Engines | Stock & Blueprinted

Sale price$944.55 Regular price$1049.50
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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

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Description

MR17 | VORTEX | PRO Kart Racing Engines | Stock & BlueprintedVortex Kart Racing Engines New Stock & Blueprinted Race Prep MR17 tuned Vortex engines, developed under the DRIVEN partnership (formerly Zanella Racing), are built for competitors running USPKS, SKUSA, STARS Nationals, and regional series throughout the USA. Available in New Stock and Blueprinted Race Prep configurations across the Vortex ROK lineup from Mini ROK to ROK Shifter. This is a performance first program for drivers and programs that

Vortex Kart Racing Engines — New Stock & Blueprinted Race Prep

MR17 tuned Vortex engines, developed under the DRIVEN partnership (formerly Zanella Racing), are built for competitors running USPKS, SKUSA, STARS Nationals, and regional series throughout the USA. Available in New Stock and Blueprinted Race Prep configurations across the Vortex ROK lineup — from Mini ROK to ROK Shifter.

This is a performance-first program for drivers and programs that prioritize results, reliability, and expert support over entry-level price points.

All engines include shipping.


Engine Configurations

New (Stock) — Complete Package

Every new engine purchase ships as a complete, ready-to-install package including:

  • Engine
  • Wiring harness
  • Clutch
  • Front sprocket
  • Exhaust
  • Air filter
  • 10% discount on all future rebuilds, applied to your engine serial number

MR17 Blueprinted (Race Prep) — Complete Package

  • Full complete package (same as Stock, listed above)
  • Dyno-tested and calibrated — every engine ships with a verified HP and torque dyno sheet
  • Blueprinted for maximum legal performance — optimized within class rules
  • Nationally proven race prep trusted by podium-level programs
  • Trackside support available at select national events — confirm availability at checkout
  • 10% discount on all future rebuilds, applied to your engine serial number

Used (Engine & Carb Only)

Used engines include the engine and carburetor only — no additional components. Bore size is approximately 3–4 sizes from maximum legal bore, meaning these engines are at the top of their performance life. Recommended for experienced programs running them as dedicated racing engines.


New Engine Purchase Benefit

Every new engine purchase — Stock or Blueprinted — includes a 10% discount on your next rebuild, tied to the registered engine serial number and valid for all future rebuilds serviced through DRIVEN.


Engine Specifications & Class Fitment

Model Displacement Max Power Max Torque Max RPM Driver Class
ROK Mini 60cc 10 HP @ 11,000 RPM 6.5 Nm @ 9,000 RPM 15,500 RPM Mini / Young Drivers
ROK VLR 100cc 20 HP @ 9,800 RPM 1.4 Kgm @ 9,600 RPM 16,000 RPM Junior / Senior
ROK GP 125cc 20.2 Nm @ 11,500 RPM 15,000 RPM Junior
ROK Shifter 125cc 43 HP @ 13,900 RPM 14,000 RPM Shifter

Engine Notes

ROK Mini

The ROK Mini is dedicated to young drivers entering competition. Designed to be safe and approachable, it allows drivers to build confidence and develop technique without unnecessary complexity — while still delivering genuine competitive performance.

ROK VLR

The VLR is engineered around three core principles: reliability, ease of operation, and low maintenance cost. Designed for straightforward inspection and servicing, it is an ideal platform for programs focused on consistent, cost-effective competition.

ROK GP — Limited Availability

The ROK GP has been replaced by the new ROK SV. This is your last opportunity to purchase one of the most proven engines in karting history. The ROK GP Junior immediately established itself on the world stage for its spirited performance, practical structure, and high reliability — engineered to deliver competitive output while maintaining durability across a full season.

ROK Shifter

The ROK Shifter was developed for drivers who want to compete in a gearbox category without sacrificing the core ROK philosophy: stable regulations and controlled costs over time. At 43 HP and 125cc, it delivers serious performance in a platform built for long-term competitive viability.


Lead Times

  • New (Stock) — approximately 1 week (subject to order volume)
  • Blueprinted (Race Prep) — approximately 2 weeks (subject to order volume)

Service Area

Primary service covers events across the United States. International orders are available on request — contact us directly to discuss your program needs.


Frequently Asked Questions

What is the difference between Stock and MR17 Blueprinted?

Stock engines are factory-fresh and ready to race within class specifications. MR17 blueprinting involves detailed hand-finishing, dyno calibration, and tuning to maximize performance within class rules.

Are all Blueprinted engines dyno tested?

Yes. Every MR17 Blueprinted engine is dyno-tested and ships with a dyno sheet showing horsepower and torque output.

What does a Used engine include?

Used engines include the engine and carburetor only. Bore size is 3–4 sizes from maximum legal bore — these are engines at the top of their performance life, suited for programs running them as dedicated race engines.

How does the 10% rebuild discount work?

All new engine purchases — Stock or Blueprinted — qualify for a 10% discount on future rebuilds. The discount is registered to your engine serial number and applies to all rebuilds serviced through DRIVEN.

Are these engines legal for SKUSA, USPKS, and STARS?

All Vortex ROK engines listed are prepared to meet the specifications of SKUSA, USPKS, STARS, and most major karting series. Always verify against your current series rulebook for any updates.

Is trackside support available?

MR17 trackside support is available at select national and regional events. Confirm availability for your event at checkout or contact us directly.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60671119381

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