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Maintain peak performance and reliability with the Honda K20A2 Water Pump, a genuine factory replacement designed specifically for the K20A2 engine...

This Circuit Hero product helps eliminate unnecessary parts for a K-series race engine build. This billet coolant plug eliminates the coolant pipe ...

The BLOX Racing fan mounting kit is available separately for enthusiasts needing a replacement kit after servicing or disassembling the electric fa...

Circuit Hero high pressure radiator cap uses a 1.3 Kgf/cm² spring to increase your coolant/antifreeze boiling point and protect your engine. An add...

Ensure peak cooling performance with the Circuit Hero Cooling Plate. Here's why it's a must-have for your vehicle:Maximize Cooling Efficiency: Say ...

We know the advantages of using a low-temperature thermostat in high-performance or race environments are evident. Opening the thermostat's valve a...

We know the advantages of using a low-temperature thermostat in high-performance or race environments are evident. Opening the thermostat's valve a...

We know the advantages of using a low-temperature thermostat in high-performance or race environments are evident. Opening the thermostat's valve a...

We know the advantages of using a low-temperature thermostat in high-performance or race environments are evident. Opening the thermostat's valve a...

We know the advantages of using a low-temperature thermostat in high-performance or race environments are evident. Opening the thermostat's valve a...

Dress up your bay while installing your silicone radiator hoses! These clamps add that extra bling and security over those old, nasty spring clamps...

Upgrade your engine bay with the Hybrid Racing T-Bolt Radiator Hose Clamps, designed specifically for the 2006-2011 Honda Civic Si. These premium...

These high-quality radiator hoses are the last you’ll ever need. Made with multi-layer fiberglass reinforced silicone and finished with a durable ...

These high-quality radiator hoses are the last you’ll ever need. Made with multi-layer fiberglass reinforced silicone and finished with a durable ...

These high-quality radiator hoses are the last you’ll ever need. Made with multi-layer fiberglass reinforced silicone and finished with a durable ...

These high-quality radiator hoses are the last you’ll ever need. Made with multi-layer fiberglass reinforced silicone and finished with a durable ...

A common problem with EPDM rubber hoses is the combination of chemical interactions with the engine metal, coolant and high heat leading to prematu...

A common problem with EPDM rubber hoses is the combination of chemical interactions with the engine metal, coolant and high heat leading to prematu...

The cooling system of your car is one of the most important parts; without one, your engine would be useless in minutes. Many people change their ...

Each K-Series swap radiator was carefully designed by Hybrid Racing to take into account both the chassis' dimensions and mounting points, as well...

Each K-Series swap radiator was carefully designed by Hybrid Racing to take into account both the chassis' dimensions and mounting points, as well...

Each K-Series swap radiator was carefully designed by Hybrid Racing to take into account both the chassis' dimensions and mounting points, as well...

Each K-Series swap radiator was carefully designed by Hybrid Racing to take into account both the chassis' dimensions and mounting points, as well...

Each K-Series swap radiator was carefully designed by Hybrid Racing to take into account both the chassis' dimensions and mounting points, as well...

Some of you may be interested in deleting the heater hoses and core from your K-swapped vehicle. The Hybrid Racing T-stat plug and bracket allows y...

Hybrid Racing has designed radiator hoses specifically for those customers performing a K-Swap that want a clean and organized engine bay. The kit...

Stylish & Versatile Our thermostat housing was designed for customers looking for OEM quality parts that function beyond the constraints of fa...

Are you tired of the old school pressure clamps you have on your radiator hoses? Replace old work pressure for worm type clamps. These new T-bolt c...

Our stainless steel radiator hose t-bolt clamps work great on the filler neck hose for 8th Gen (06-11) Honda Civic. Minimum size 31mm (1.22in), max...

These universal slim fans can fit and work in a variety of applications. If you are doing a K-Series engine swap you will need to change the fan s...

This fitting is machined from billet aluminum and anodized black for a smooth durable finish. Use this fitting to connect your Hybrid Racing lower ...