Heat Exchanger Big Block | Crusader 98191 Outboard & IO Anodes Enhanced Fuel Efficiency: Proper ignition

Enhanced Fuel Efficiency: Proper ignition timing and spark delivery help the engine burn fuel more completely

Faria gauge displays water temperature of a single marine engine

4000 GPH flow rate straight

and a cumulative panel rating of 45 amps

DIAMETER: 10 | PITCH: 10

Heat Exchanger Big Block | Crusader 98191 Outboard & IO Anodes Enhanced Fuel Efficiency: Proper ignitionHeat Exchanger Big Block Crusader 98191 Crusader Heat Exchanger Big Block 98191 OEM heat exchanger tank fits various Crusader 454 and 502 cu. in. marine engines. Fits some Crusader 7. 4L 454 CID and 8. 2L 502 CID big block marine engines 6 in. diameter tank Original Crusader Replaces Crusader 97325, 98191 D, 98191R and 98191 T Frequently Asked Questions Is there an octane grade that is advised for Crusader engines given the current rise in gas prices?