Edelbrock 18129 Thunder Series AVS Carb Features: New Qwik-Tune Adjustable Secondary Air Valve Optional Single Or Dual Fuel Inlet Distinctive Black Accented Hardware No Gaskets Below Fuel Level to Prevent Leakage Metering Rod/Step Up Springs Can Be Changed Easily GM/AMC-Style Throttle Linkage Exclusive 12 Month Complete Satisfaction Warranty Height: 6.00 Width: 10.31 Length: 11.81 Weight: 9.00 lbs Vehicle Type: Edelbrock 18129 Thunder Series AVS; Carb Fitment: 1990/Oldsmobile/Custom Cruiser/Base Wagon 4-Door/5.0L 307Cu. In. V8 GAS OHV Naturally Aspirated::If Stock Air Cleaner Is Used Spacer PN[8092] Is Required~ If Stock Air Cleaner Is Used Banjo Fitting PN[8089] Is Required~ Models w/200R4/700R4/4L60 Automatic Overdrive Must Use Edelbrock PN[8026]~ Vehicles w/Turbo 350 Trans Must Use PN[8018] Cable Adapter~ For Use On Pre-Pol...