High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6
High Clearance Radiator Conversion (HCR) - 3.4L V6

High Clearance Radiator Conversion (HCR) - 3.4L V6

$295.00 $325.00

Introducing the BEST cooling system upgrade for 96-02 4Runners & 95-04 Tacomas - the complete, bolt-on HCR kit from Opt Offroad! See below for lead times.

THE PROBLEM: This kit addresses one of the biggest design flaws on our 5VZFE powertrains: the haphazard low-hanging radiator... It extends several inches down past the frame ready to get smacked, while also sacrificing your front end ground clearance and approach angle. Whether you are an off-roader or not, this is simply not a risk worth taking. We have seen many front end collisions (even minor on-road "fender benders") that have left people stranded waiting for a tow... and it was easily preventable. What a waste.

THE SOLUTION: The HCR kit replaces your vulnerable stock radiator with your choice of a Premium OE Replacement or High Performance unit that mounts above your frame rails, where it should have been from the start! All kit options are a complete bolt-on replacement and easy install process. They also all come manufacturers with a proven track record and Lifetime Warranty.

Increased Performance. Higher Clearance. Safer Mounting.

HOW IT SHOULD HAVE COME FROM THE FACTORY.

Want a complete high clearance skid plate and radiator solution? TAP HERE

PREMIUM OE PACKAGE: $175, lead time IN STOCK.

With an aluminum core and plastic housing, the KoyoRad unit is the best balance between performance and budget. This is a great option for anyone that is satisfied with their current cooling performance and simply wants a high clearance, premium replacement. KoyoRad's reputation is absolutely above reproach, and we know many people who have been running their radiators for 10+ years with nothing but good feedback. (Full aluminum high clearance option from Koyo is in the works!)

  • (2) Stainless Steel Hose Clamps (Worm Gear)
  • (1) Custom Lower Radiator Hose (Pre-Formed)
  • (1) KoyoRad Premium OE Replacement Radiator:
    • Aluminum 1 Row Core with Precision Molded Plastic Housing
    • Factory Bolt-On Design, with Trans Cooler Fittings
    • 23 7/8" H X 28 1/8" W, Rated for Factory Power
    • Compatible with Factory Caps (not included)

HIGH PERFORMANCE PACKAGE: $295, lead time ~8 weeks.

With a full aluminum construction and deeper body, this Champion unit dramatically improves your cooling performance due to increased fluid capacity and heat dissipation efficiency. And with a rating up to 550 horsepower, it can handle anything our 5VZ pigs can throw at it!

  • (2) Stainless Steel Hose Clamps (Worm Gear)
  • (1) Custom Lower Radiator Hose (Pre-Formed)
  • (1) Champion Cooling Systems High Performance Radiator:
    • TIG Welded 2mm Thick Aircraft Aluminum, 3 Row Core
    • Factory Bolt-On Design, with Trans Cooler Fittings
    • 23 1/2" H X 28 1/8" W, Rated Up To 550 HP
    • 14-16 Fins per Inch, 3/8" Tube Spacing
    • Billet Fill Neck w/ 16lb Cap Included

IMPORTANT NOTES:

  • Coolant-
    • Koyo recommends following factory specifications.
    • Champion recommends Ethylene-based yellow/green coolant & distilled water only, to prevent premature wear on your radiator. Peak 10X is a great choice, as it is formulated to work with all vehicles and cooling systems, and has been thoroughly tested to work with these all-aluminum radiators. Using other coolant types can potentially affect your warranty with Champion. While "Asian Red" and "Toyota Pink" coolants are Ethylene-based, they have been known to cause issues with the full aluminum housings, and are discouraged for this setup.
  • Fan Shroud- Your factory shroud is reusable for this kit! However, there will be excess length at the bottom. It can be easily trimmed off with a razor blade to match the height of the new radiator, if you prefer. Champion is working on a plug and play option for us.
  • Maintenance- Overheating issues can be caused by a number of problems (dirty fluid, broken water pump, fan clutch, thermostat...) so don't expect a nice new radiator to fix your problem if something else is being neglected. Your cooling system is just that, a system. So treat it as such and maintain it!

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