Main >> Marine Products >> IMCO Exhaust >> PowerFlow & Accessories IMCO- PowerFlow & Accessories POWERFLOW AND ACCESSORIES These Powerflow Recirc & Preheat Manifolds are a specialized exhaust system that are one of many examples for all out powerboat racing applications. Below, we have shown Powerflow Exhaust Manifolds with a unique water jacketed "Y" pipe system. This makes for affordable horsepower and torque. 86. Powerflow Recirculating Manifolds As shown in photograph #86, this exhaust manifold is designed for pre-heating water before entering engine.      Manifolds may be ordered in two different finishes;   Raw Casting and Polished. 87. PART # DESCRIPTION PRICE PF-87R PF-87P PF-87B Raw Casted manifold Polished manifold Black manifold $1663 $1795 $1729 Standard Stainless Steel Shift Cable Bracket This shifting plate can be used with IMCO's after-market riser pipe. Polished Stainless Steel shifting plate is designed to retain the stock Mercruiser Shift Cable unit in its original location, to the inside of the exhaust riser. 88. PART # DESCRIPTION PRICE CB-88M CB-88PF CB-88PF EFI For Mercruiser Stainless Riser Pipes For Powerflow Stainless Riser Pipes For Powerflow Stainless Riser Pipes $44 $44 $55 Power Steering Pump and Alternator Relocation Bracket Designed for Bravo applications to allow for clearance of Powerflow plus Manifolds. The bracket allows for the use of all stock blest and power steering hoses. Its black coated heavy duty steel construction assures trouble free operation. Can also be used for any BB Chevy application. PART # DESCRIPTION PRICE PFB-90 Power Steering Pump/Alternator Bracket $119 Generation 5 Filter Bracket Allows proper fit and attachment of fuel filter on MerCruiser big-block engines equipped with Powerflow exhaust manifolds. 90a. PART # DESCRIPTION PRICE FB-90A Fuel Pump Bracket with ext. Hose $29 Oil Filter Mounting Spacer Kit   PART # DESCRIPTION PRICE OS-90B Spacer Kit for Oil Filter 1997 7.4 $6 Riser pipes are available with built in shift, ECM brackets and oil relocation kit. (Click here to see it pictured in photo #81) 91. Part No. PF-82AKEFI and PF-85SAKEFI