Performance Parts From Upgrade Motoring!


Quick Release Steering Wheel Hub | Torsion Bars | 300ZX, 350Z, G35, RX8, Scion XB steering wheel adapters


Due to the exchange rate between the US Dollar and the Japanese Yen, pricing on all JUN parts will be adjusted accordingly. Please call for more information.

Connecting Rods  |  Forged Pistons  |  Headers & Exhaust  |  Camshafts  | Cam Sprockets  |  Camshaft Kits  |  Lightweight Chromoly Flywheels | Ultra-Lightweight Chromoly Flywheels  |  Valve Guides  |  Valve Springs | Retainers  |  Stroker Kits  |  Hyper-Flo Intake Manifolds  |  Oil Caps | Clutches  |  Aerodynamic Kits | Boost Gauge | SR20DE(T) Lash Killer Kit | Oil Pump | Accessories

JUN's 1100hp Speed Trial R33 Skyline GT-R

Jun Auto is one of Japan's premier tuners and manufacturers.  The company regularly competes in professional road racing, drag racing, and even speed trial events such as Bonneville. Jun has developed and tested an extensive line of quality products for most popular Japanese cars. JUN Auto not only engineers and designs each part, but they also manufactures the parts, in house!  

We import directly from JUN AUTO Japan.  Please contact us for all your JUN part needs. 

Cusco MZ and RS Limited Slip Differentials. Cusco MZ and RS LSD Application chart. Click Here for more on Cusco LSD. If your looking for Cusco Zero1 Zero2 and Zero2R coilovers and Cusco strut tower bars please check in the Suspension category. 


Exhaust Systems | Coilover Suspensions  | Springs  | Drift Spec  |  Pillowball Mounts | Exhaust Parts  | Strut Bars  | Under Brace Bars  | Sway Bars 

High Quality Exhaust Systems and Coilover Suspensions from Japan.

Mikuni 40PHH/44PHH/50PHH Carburetor Replacement Parts on Sale at Upgrade Motoring!

Mikuni American Authorized Distributor!

Mikuni Performance Carburetor Parts - 40PHH / 44PHH / 50PHH - Mikuni Gasket Rebuild Kits - Mikuni Replacement Parts - Mikuni Jets -  Mikuni Apparel and More!


High Performance Adjustable Fuel Regulators

SARD high quality fuel pressure regulators can be found on many 800+HP motors! One of the best fuel regulators from Japan. 

Acura/Honda | BMW | Hyundai | Mazda | Mitsubishi | Nissan | Porsche | Proton | Subaru | Toyota/Lexus | VW/Audi  | Gear Oil | Price List

Achieve optimum performance with increased control and more flexibility using the Kaaz LSD. With a stable differential locking ability, the driver's accelerator input will give smooth and positive power transfer. About Kaaz

Kaaz offers Limited Slip Differentials for most Japanese and European Imports.

Neo Synthetic Oils and Performance Fluids

Why use Neo?

Neo Synthetic Oils are used in some of the top Formula One, Endurance, Nascar, IRL and NHRA race cars! 

MXP Stainless Steel Downpipes, Y-Pipes, Test Pipes and Exhaust Systems


Ceramic HeadersStainless Steel Headers | Turbo Manifolds and Competition Pipes  | Exhaust Systems | Intake Systems | Accessories

DC Sports has been tuning Honda and Acura vehicles for years and has campaigned several road-race cars.  The company has taken all of its knowledge and built a line of parts to help extract more power from your car. 

Greddy Performance parts from Upgrade Motoring

Exhaust Systems  |  Headers  |  Turbo Kits & Components  |  Intercoolers  |  Engine Parts | Electronics  | Air Filters | Aero Kits  |  Accessories 

GReddy Performance Products is the U.S. division of Trust Co. Trust/GReddy offers a range of items for most popular Japanese vehicles including exhaust systems, electronics, and turbochargers.


HPS Silicone Hoe Couplers, Elbows, Reducers, Vacuum lines and T-Bolt Clamps from

HPS Silicone Hose and T-Bolt Clamps - Straight Coupler, 45 Degree, 90 Degree, Hump, Reducer, Elbow Reducer, Heater, Vacuum, Charge Air Cooler and More! 



Cold Air Induction Systems | Short Ram Induction Systems

AEM is dedicated to the design, research, development, and manufacturing of the highest quality performance products for the sport compact car market. All of AEM's products are CAD designed and undergo extensive testing for performance and reliability.


Performance Clutches and flywheels

HKS logo

Super Mega Flow Intakes | Filters | Racing Suction Kits | Exhaust |   GT Sport Turbo Upgrade | Metal Head Gaskets

High Quality Performance Parts and Electronics from Japan. Many more parts available from HKS, please call.

  Koyo manufactures high quality performance cooling products for many Japanese import vehicles.  

  P-Chip Performance Chips
P-Flo Intake Systems
  |  Exhausts | Power Pulley Kit
Short Shift Kits  |  Suspension |
Turbo Upgrades | Accessories

Neuspeed is the leader in Volkswagen and Audi performance. They offer a wide variety of parts to pump up the output of your late-model Euro car.


Performance Intakes | ECU Upgrades | Camshafts

 Jim Wolf Technology specializes in Nissan Performance parts.


Fujitsubo Exhaust Systems. Best Performance and Quality Japanese exhaust systems. Special Order from Japan.



Upgrade Motoring

Tel: (818) 998-6005   Fax: (818) 998-6006 
 M-F 10:00 - 6:00 PM PST

Please Call 818.998.6005 to Place Your Orders or To Get Our Current Sale Pricing! -   Copyright 2009-2017 Upgrade Motoring, All rights reserved