Marine Engines | QSB6.7

QSB6.7 Marine Long Block Daily Driver Engine The QSB6.7 Marine Engine is designed for for long-duration, high-load operations, commercial workboat use, and relentless thermal strain.   Key Features and Fixes High-Output Performance: Rated for 230-305 HP for commercial workboat use. Vibration Mitigation: A fully balanced...

QSB6.7 Marine Long Block Workhorse Engine The QSB6.7 Marine Engine is designed for  maximum-performance vessels—such as high-output sportfishers, motor yachts, and rapid-response patrol boats operating frequently at high RPM and wide-open throttle (WOT), where engine failure on open water is completely unacceptable.   Upgrades...

QSB6.7 Marine Full Running Engine The QSB6.7 Marine Engine is designed for reliability in harsh saltwater environments, whether for commercial fishing or recreational cruising.   Key Features and Fixes Vibration Mitigation: A fully balanced rotating assembly ensures your vessel runs quiet and smooth, protecting...