Collection: Engine

Circuit Hero Radiator Cooling Plate

Regular price $72 now $54

Circuit Hero Spark Plug/Coil Cover H-Series

Regular price $100 now $50

Circuit Hero High Pressure Valved-Radiator Cap

Regular price $35 now $21

Circuit Hero K-Series (K20/24) Bolt-in Oil Pan Baffle

Regular price $150 now $112.50

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Circuit Hero Reservoir Cover - Black

Regular price $14 now $9.80

Circuit Hero K-Series Spark Plug/Coil Cover V2

Regular price $100 now $60

Circuit Hero Type-II K20/24 Lower Timing Chain Guide

Regular price $49 now $36.75

Circuit Hero Clutch Master Cylinder Spacer

Regular price $38 now $28.50

Circuit Hero B-Series Spark Plug/Coil Cover V2

Regular price $100 now $65

Circuit Hero Magnetic Drain Plug - M14x1.50mm

Regular price $28 now $21

Circuit Hero Coil Cover Replacement Hardware

Regular price $20 now $12

Circuit Hero Titanium Magnetic Drain Plug - M14x1.50mm

Regular price $39 now $29.25

Circuit Hero Billet Oil Cap

Regular price $75 now $56.25

Circuit Hero K-Series Coolant Tube Block Plug

Regular price $25 now $12.50

Circuit Hero K-Series Billet Oil Pan Baffle

Regular price $240 now $180

Circuit Hero Aluminum Fuel Rail K-Series Honda - Black

Regular price $200 now $130

Circuit Hero Aluminum Fuel Rail & Gauge Combo K-Series Honda

Regular price $240 now $160

Circuit Hero Spark Plug/Coil Cover S2000 F20/F22C

Regular price $100 now $75