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ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI

ATK High Performance GM 383 Stroker 435 hp Stage 3 long block crate engines with EFI are designed for better driveability and trouble-free cold starts with no tuning required, regardless of elevation, driving habits, or part swap! Based around FiTech Self-Learning EFI systems, these engines come complete from throttle body down to the oil pan. The only thing you will need is to supply is the fuel system--in line, in tank, or the FiTech Fuel Command Center. They are dyno-tested with your EFI system and ready to go! Typically ATK GM 383 Stroker 435 hp complete long blocks consist of: * Seasoned OE block with 4-bolt mains * OE cast crankshaft * 4340 forged I-beam connecting rods * Forged pistons * Chromoly piston rings * Hydraulic roller camshaft * Dart SHP aluminum cylinder heads * Billet roller rocker arms * Timing set * Oil pan, oil pump and pick-up tube * Valve covers * Flexplate * Performance intake manifold * Distributor HEI * Long water pump * Front damper * FiTech Go EFI 4-600 hp * Spark plugs and wires * Dyno test/tune

2.0 out of 5 stars ( 1 )

$7,098.99

$5,999.50

Clearance

ATK Marine Rebuilt Long Block Engines

ATK Marine Engines offers premium-quality rebuilt long block engines specifically for boating applications. These engines are designed to deliver maximum performance and long-term durability for your boat. Order the model recommended for your marine application. ATK Marine rebuilt engines include: * Special marine pistons and rings * Special marine camshaft * Marine gaskets * New intake and exhaust valves * New main, rod, and cam bearings * New valve lifters, rocker nuts, and swivels * Heavy-duty double roller timing chains * Cam sprocket * Crank gear * Freeze plugs

4.4 out of 5 stars ( 45 )

$2,719.99

$1,999.50

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