GM 4.3 Marine Engines

GM 4.3 Marine Engines

ATK is a leading manufacturer of marine engines that are made with maximum performance and long term durability in mind. The engines are designed and built specifically for boating and all the rigors and conditions marine engines face. ATK takes pride in the fact that there are over 150 processes involved in remanufacturing each ATK engine including the GM 4.3 Marine Engine.

Your boat is only as good as the engine in it. Without an engine in good working order, you might as well not have a boat at all. You will be stuck sitting at the dock. The GM 4.3 Marine Engine has been used in marine applications since 1986 and designed to meet or exceed O.E Specifications. The engine blocks and cylinder heads are magnafluxed to determine if there are any cracks. Camshafts bearings are examined to ensure accurate center-to center clearance and precision ground or replaced to maintain the O.E. profile. Pistons and rod assemblies are blanched to minimize engine vibration All bearings, timing belts, chains, gears

The GM 4.3 Marine Engine is put through rigorous testing for compression, oil leaks, unusual engine noise or vibrations and ensures all parts are in good original working order before shipment. Oil pump, oil pump kit, and installation gasket set are supplied with each engine. There is no core charge and free freight to anywhere in the continental U.S.

Featured procedures include:

• Engine blocks are magnafluxed, cylinders bored and precision-honed, and main saddles line-honed to exacting O.E. specifications
• Camshaft bearings line-bored for accurate center-to-center clearance
• Engine blocks and cylinder heads precision surfaced to insure proper sealing
• Cylinder heads magnafluxed or dye checked and machined for three-angle valve seats
• Crankshafts stress-relieved, precision ground and micro-polished for optimum durability and surface finish
• Camshafts precision ground or replaced with new to maintain the O.E. profile
• Each engine is tested for compression, oil pressure, oil leaks, unusual engine noise, and general operating condition before shipment
• Pistons and connecting rod assemblies are balanced in sets to achieve minimum engine vibration
• Oil pump or oil pump kit is supplied with each engine
• Premium installation gasket set is supplied with each engine
• All bearings are replaced with new
• Timing belts, chains, gears are replaced with new
• All rubber products are O.E. quality (i.e. main seals, valve stem seals, cam seals)
• All ATK remanufacturing facilities are ISO 9001 and QS 9000 certified

No Core Charge

Free Freight to anywhere in the continental U.S

18 Month No Fault Warranty

• Unlimited Hours
• Includes Labor, Towing & Fluids

Marine Application Chart

Call Customer Service for more details 1-877-388-2628

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