Be sure to visit our new Engine Parts page to see all the new engine products that we now carry.


Has been an approved for use in all WKA Manufacturers Cup and National Road Racing Series races.

100% Synthetic Ester MOTUL Kart Grand Prix is the SPEC Oil for

  • SKUSA Supernationals
  • SKUSA Pro Tour
  • Pro Kart Challenge
  • Florida Winter Tour (non ROTAX classes)
  • Many Clubs nationwide


COURTNEY CONCEPTS Is a wholesale distributor and does not sell retail. Although we do not sell to the public we do have a nation wide network of dealers. View our Dealers list to find a Dealer near you. - Courtney Concepts Product Price List


Check out our full line of Motul products for karts including Motul 2 Stroke Oils, Motul 4 Stroke Oils, Motul Brake Fluids, Motul Chain Fluids, Motul Gearbox Oils and Motul Specialty Fluids

Featured Dealer
Visit Swedetech Racing website

Year after year, Sacramento based SwedeTech continues to supply winning 2-stroke engine packages for the following applications...

  • Shifter Karts (ICC & MOTO - Sprint & Road Racing)
  • TaG Karts (Parilla Leopard & Parilla PUMA - Sprint & Road Racing)
  • Sprint Karts (Parilla ICA, Parilla JICA & Horstman HPV)
  • Motocross Bikes (MX)
  • Supercross Bikes (SX)
  • Grand Prix Motorcycles (Moto GP)
  • ATVs.
    Email: Phone: 1.916.687.3980
New Products

Frixa VEN05 Brake Rotor

Click to enlarge

FRIXA VEN 05 Brake Rotor
*Light weight 2.2 lbs (the same as CRG Ceramic Rotor)
*Better cooling
*Will not explode, breakup or crack
*Made from quality British grey iron
*Fits CRG, Maranello, GP, Formula K, Zanardi, DR and Energy Kart chassis using the VEN05 brake system

Frixa Tony Kart Brake Pads

Koyo Bearings Logo


OTK Compounds
CA01 Hard
CA18 Medium

Frixa Intrepid Brake Pads

IKO Big End Bearing


Intrepid/Praga Compounds
INT01 Hard
INT18 Medium

Frixa CRG Brake Pads

IKO Big End Bearing

VEN05 Compounds
CRG01 Hard
CRG18 Medium
Leopard MY09 (X30) Engine Sprockets

  Leopard MY09 (X30) Engine Sprocket
Click to enlarge

Made by X.A.M. / NKP

Extremely High Quality 

#219 10 & 11T


CR125 Counter Shaft Sprockets

  CR125 Counter Shaft Sprocket

Made from SCM435 heat treated steel and case hardened for added strength and durability. Drilled and lightened for less rotating weight.

#428 14-19 Teeth



Distributor Of

Courtney Concepts is the only authorized distributor of Motul Karting Products.

Motul Logo
K&N Filter Logo
NKP Logo
Shifter Kart Logo
Regina Chain Logo
RK Chain Logo
NTN Logo
KDF Logo
IKO Logo
Koyo Logo

Courtney Concepts is a distributor of a full line of racing kart and racing shifter kart parts and Motul products for racing karts including Motul 2-stroke oils, Motul 4-stroke oils, Motul Gearbox oils, Motul Brake Fluids, Motul Chain Lubes, Motul Coolant and Motul Specialty Fluids.