Curb Hoppers0My CartAir Flow ResearchCylinder Head - Renegade Street - Assembled - 2.020 / 1.600 in Valves - 185 cc Intake - 72 cc Chamber - 1.290 in Springs - Aluminum - Small Block Ford - PairListing ID: 921705Manufacturer Part Number: 1387Reference Part Number(s): AFR1387Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.