FOR SALE Crusader Model 270 Challenger GM 350 270 HP Marine Engine. Rated at 270 horsepower, these reliable workhorses are heavily utilized.
Engine is standard rotation with closed cooling system except for exhaust risers which are raw water cooled. Engine has been completely pulled apart, all parts checked, replaced or reconditioned and motor completely rebuilt. Engine is complete and ready to install and run. Block has 4 bolt mains, forged crank, using GM 400cylinder heads which were standard for Crusader. Valve seats are hardened for unleaded fuel. Ignition is points and condenser. Carburetor is a Holley 4barrel spread bore double pumper marine carb that has been completely rebuilt. Manifolds are Barr Marine with 3inch exhaust outlets. This is a turn-key marine power system and therefore needs to be broken in like any new engine. Marine Gear is set up for a 1inch shaft.
Engine Specifications
- Engine Type : GM Small-Block V8 4-stroke
- Displacement : 5.7L / 350 CID
- Horsepower : 270 HP
- Fuel Delivery : Typically Carburetor (earlier models) or Throttle Body Injection (TBI)
- Rotation : Available in standard (Left-Hand) and opposite (Right-Hand) for dual-engine setups
















There are no reviews yet.