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Home Engines Short Block Engines ATK High Performance Chevy LM7 5.7L/347 Short Blocks SP75
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ATK High Performance Chevy LM7 5.7L/347 Short Blocks SP75

€1,969.00

Chevy LM-7/LS 347CI Short Block +3.2cc Flat Top Pistons 24 Tooth

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Category: Short Block Engines
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Description

Overview

Brand: ATK High Performance Engines
Manufacturer’s Part Number: SP75
Part Type: Short Block Engines
Product Line: ATK High Performance Chevy LM7 5.7L/347 Short Blocks
Summit Racing Part Number: HPE-SP75
UPC: 653517401565
Crate Engine Family: Chevy LS
Actual Engine Displacement: 5.7L/347
Rear Main Seal Style: 1-piece
Crankshaft Material: Cast iron
Piston Material: Forged aluminum
Short Block Piston Style: Flat top
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: I-beam
Engine Block Material: Cast iron
Main Bolt Style: 6-bolt
Main Journal Type: Chevy LS
Engine Balance: Internal
Oil Pan Included: No
Timing Cover Included: No
Harmonic Balancer Included: No
Flexplate Included: No
Flywheel Included: No
Assembled: Yes
Remanufactured: Yes
Quantity: Sold individually.
Notes: 24X reluctor wheel. 3.2cc piston volume.

ATK High Performance Chevy LM7 5.7L/347 Short Blocks

ATK Chevy LM7 5.7L/347 short blocks provide a solid foundation for your build. Produced for the 1999-2007 trucks, LM7 engines are very popular engines to swap into muscle cars and other LS swap vehicles. ATK High Performance Chevy LM7 5.7L/347 short blocks are built for naturally aspirated engines up to 700 hp.

Your ATK LM7 engine may include these components for optimal performance:

* Block: GM LM7 5.3L
* Bore/stroke: 3.903 x 3.622
* Displacement: 5.7/347 c.i.d.
* Crankshaft: OE reground 3.622 in., internally balanced 24-tooth
* Connecting rods: Scat Premium Pro 4340 forged I-beam with ARP 8740 bolts
* Pistons: Wiseco 2618 forged aluminum with coated skirts
* Piston rings: Wiseco GFX (alloy steel top ring)
* Camshaft bearings: Installed and clocked to OEM position
* Freeze plugs: Brass installed and sealed
* Oil galley plugs: installed and sealed
* Weight: 285 lbs.

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