Marine O2 Sensor Upgrade Kit $925.00 Mercury HP525 Fuel Management System $3,195.00 Marine Fuel System Components Ingenius Marine MEFI Software Marine Performance Packages Marine Supercharger Systems Nology Engineering, Inc. MSD Ignition Imco Powerflow Exhaust Manifolds Custom Marine Inc. Headers ASM 496 Mag/HO Head Stud Kit $335.00 Performance Marine ECU Calibration $495.00 HP500 EFI Monoblade Throttle Valve $495.00 Marine Super Flow Flame Arrestor $224.95 Mercruiser Short Runner Manifold Conversion $695.00 496 Manifold Conversion Package $4,581.25 502 Hydraulic Roller Camshaft Generation VI $325.00 Chevrolet V8 1.7 Ratio for 454-502 Generation V and VI Full Roller Gold Race Rocker Arms $345.00 496 Mag Rocker Arms $310.00 Dart Iron Eagle Chevy Big Block Cylinder Head Bare Castings $499.95 Imco Marine Polished Big Block Chevy Valve Covers $204.95 Cometic Gaskets, Inc. Powerdex AFX Air Fuel Ratio Monitor $325.00 Pro Charged 496 Mag Engine/Fuel System Upgrade $9,800.00 If you don't see what you're looking for please call or e-mail us. Phone: (480) 753-0208 Fax: (480) 753-0216 Hours: 8am - 5pm M-F and 9am - 1pm Saturdays Mountain Standard Time Click Here to E-Mail Arizona Speed and Marine