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. Features Contoured shape for maximum coverage and fitment Laser cut construction from thick aluminum plate Hand brush finish Premium polished stainless steel mounting hardware & brushed foil decal included Engine Applications: B-series VTEC, H-series VTEC, K-series, S2000 F20/22C.*May require some trimming to fit your particular valve cover.