Precision Works Balance Shaft Eliminator Kit for H22A H22A1 H23 NON VTEC This kit is only for H22A H22A1 H23 NON VTEC (WILL NOT FIT H22A4 H22A7 F22 F20B) Features: -Billet Aluminum blockoff plate -Billet Aluminum crankshaft spacer -Increases oil pressure by blocking balance shaft bearing -Billet Aluminum plugs for the oil pump -Uses OEM Oil Pump -Item does not come with instructions. We advise you seek professionals for installations. We are not liable to any human error due to faulty installations. -USA Shipper. Fast shipping!