• Login
  • Create account
  • Cart
Checkout

Search

+
  • Shop
    • Automotive
      AutomotiveBack
      Shop By Engine

      Search to see all products for your engine!

      Make
        Engine
          or
          Shop By Specs

          Can’t find your engine, building something custom? search by specifications

          Engine Valves
          • Engine Valves
          • Valve Spring
          • Valve Spring Kits
          • Pistons
          • Connecting Rods
          • Head Gaskets
          • Valve Guides
          • Valve Stem Seal
          • Valve Locks
          • Retainers
          • Block Guards
          • Cam Followers
          • Shims
          • Spring Seat Locators
          • Loss motion spring
          • Piston Rings
          • Locking pin
          • Lash caps
          • Piston Wrist Pin
          • Piston Circlips
          AutomotiveBack
          • Apparel
          • Automotive
            • Engine Valves
            • Valve Spring
            • Valve Spring Kits
            • Pistons
            • Connecting Rods
            • Head Gaskets
            • Valve Guides
            • Valve Stem Seal
            • Valve Locks
            • Retainers
            • Block Guards
            • Cam Followers
            • Shims
            • Spring Seat Locators
            • Loss motion spring
            • Piston Rings
            • Locking pin
            • Lash caps
            • Piston Wrist Pin
            • Piston Circlips
          • Apparel
        • Custom
        • Dealers
        • News
        • Resources
          • Spring Installation
          • Valve Failure Analysis
          • Connecting Rod Instructions
          • Block Guard Instructions
          • Piston and Ring Gap
          • Cylinder honing recommendation
          • Company logos
        • About
        • Contact
        Search

        Search

        +
        • Home
        • shop
        • Automotive
        • Piston Rings

        Mitsubishi Mitsubishi 420A | Piston Rings

        Product category
        Piston Rings
        • Exhaust Valves
        • Dual Valve Spring
        • Valve Spring Kits
        • Valve Stem Seal
        • Titanium Retainers
        • Spring Seat Locators

        Customer Service

        Mon-Fri: 8:00am - 5:00pm

        Sat-Sun: Closed

        Phone: (408) 448-2001
        Email: [email protected]

        Supertech Pages

        • products
        • custom
        • about
        • dealers
        • sponsorship
        • contact
        • FAQ
        • Warranty / Disclaimer
        • Fulfillment Policy
        Copyright ©2025 supertechperformance.com. All Rights Reserved.
        • Website & Marketing by // Scarlett Vision Media