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Instruction Sheets for Part Number HPE-SP115
ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks SP115
Part Number: HPE-SP115
ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks
Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each
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Estimated Ship Date from Texas: Today Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SP115
Part Type:
Product Line:
Summit Racing Part Number:
HPE-SP115
UPC:
00653517724282
Crate Engine Family:
Chevy LS
Actual Engine Displacement:
5.4L/330
Rear Main Seal Style:
1-piece
Crankshaft Material:
Cast iron
Piston Material:
Hypereutectic aluminum
Short Block Piston Style:
Flat top
Connecting Rod Material:
Powdered metal
Connecting Rod Beam Style:
I-beam
Engine Block Material:
Cast iron
Main Bolt Style:
6-bolt
Main Journal Type:
Chevy LS
Deck Height (in.):
9.240 in.
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:
OEM GM 58 tooth reluctor wheel.
ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks
ATK High Performance Chevy LM7 5.3L Gen IV short blocks are assembled with OE flat top pistons and offer these engine specifications:
* Seasoned 5.3L LM7 Gen IV block
* 1999-2007 year range
* Bore/stroke: 3.810 in. x 3.622 in.
* Displacement: 330 cu.in
* OEM GM 58-tooth reluctor wheel crankshaft
* OEM GM forged powder metal rods
* Stock hypereutectic flat top pistons with two valve reliefs
* Compression ratios: 61cc = 9.8:1/64cc = 9.5:1/68cc = 9.1:1
-- Can vary due to deck height/gasket thickness
* Plasma moly rings
* Camshaft bearings: Installed and clocked to OEM position
* Freeze plugs: Installed and sealed
* Oil galley plugs: Installed and sealed
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