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The Circuit Hero Bolt-in K Series Oil Pan Baffle is a unique product that easily installs between the OEM Windage Tray and Oil Pan Floor. The baffl...

The all new Circuit Hero Version 2 Spark Plug Covers for he B-Series VTEC valve covers are here! Circuit Hero didn't just bring their spark plug co...

Circuit Hero oil caps are offered in either CNC-machined high quality billet aluminum in anodized black, and for the ultimate enthusiast, Grade 5 T...

Circuit Hero magnetic drain plugs are a must for performance enthusiasts and do-it-yourself fluid changers. The powerful, magnetic stems attract me...

The Circuit Hero spark plug covers have a "race inspired" look and are made from aluminum with dimple die cut-outs for maximum weight loss. Feature...