New GM Marine Longblocks

 

Daddy-O’s Marine Engines & Parts carries a full line of Brand New GM Marine Longblocks.These are the same GM Marine Longblocks that are used by manufacturers such as Mercruiser, Crusader, Volvo, OMC, Marine Power, Pleasurecraft & Yamaha. All the New GM Marine Longblocks come complete with Valve Train, Valve Covers, Oil Pan and Timing Chain & Cover.

All New GM Marine Longblocks come with a 1 Year Limited Warranty from both Daddy-O’s Marine Engines & Parts Inc. and General Motors.

 

New GM 350cu 260 Hp 2Pc Main Seal Longblock*

Fits Years: 1987-1996 (Carburated Only)

Standard Rotation, 2 Pc Rear Main Seal, Hi Output, 4-Bolt Main. Mechnical Fuel Pump. Perimeter Bolt Valve Covers. 12 Bolt Intake Manifold Bolt Pattern.

$2195.00


New GM 5.7 L 260 Hp 1Pc Main Seal Longblock*

Fits Years: 1987-1996   (Carburated Only)

Standard Rotation, 1 Pc Rear Main Seal. No Mechanical Fuel Pump Provision. Center Bolt Valve Covers. 12 Bolt Intake Manifold Bolt Pattern.

$2595.00


New GM 5.7L Vortec 325 Hp 1Pc Main Seal Longblock*

Fits Years: 1997-2012     (Carburated or Fuel Injected)

Standard Rotation, 1 Pc Rear Main Seal. Roller Cam & Lifters, Vortec Cylinder Heads. Center Bolt Valve Covers. No Mech Fuel Pump. 8 Bolt Intake Pattern.

$2795.00


New GM 7.4 L 454 cu 350 Hp Longblock

Fits Years: 1970-2012  (Carburated Only)

Only Standard Rotation Available. 1 Pc Rear Main Seal. 4-Bolt Main Engine. Mechanical Fuel Pump Provision. Center Bolt Valve Covers. No Mech Fuel

$5195.00


New GM 7.4 L 454 cu Vortec 375 Hp Longblock

Fits Years: 1997-2012 (Carburated or Fuel Injected)

Only Standard Rotation Available. 1 Pc Rear Main Seal. Gen 6. Vortec Cylinder Heads, Roller Cam & Lifters, 4-Bolt Main Engine. No Mechanical Fuel Pump

$5595.00


New GM 8.2 L 502cu 425 Hp Longblock

Fits Years: 1990-2012 (Carburated or Fuel Injected)

Only Standard Rotation Available. 1 Pc  Main Seal. Dome Pistons, Rectangular Port Cylinder Heads, Roller Cam & Lifters, 4-Bolt Main.

$7295.00


* denotes engines available in Opposite / Right Hand Rotation