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ATK SP76 LM7 5.7L/347 Short Block

The ATK SP76 is a Chevy LS LM7-based 347 (5.7L) short block with a 6-bolt main cast iron block, forged steel crankshaft, forged 4340 I-beam rods, forged +11cc dish pistons, 24X reluctor wheel and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.

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5.7L/347Actual Engine Displacement
YesAssembled
ATK High Performance EnginesBrand
I-beamConnecting Rod Beam Style
Trusted performanceBuilt for real conditions
Used by professionalsEquipment for demanding work
Reliable shippingWith NST Cargo support
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PERFORMANCE STARTS AT THE CORE

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EQUIPMENT RUNNING

The ATK SP76 is a Chevy LS LM7-based 347 (5.7L) short block with a 6-bolt main cast iron block, forged steel crankshaft, forged 4340 I-beam rods, forged +11cc dish pistons, 24X reluctor wheel and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.

  • Actual Engine Displacement: 5.7L/347
  • Assembled: Yes
  • Brand: ATK High Performance Engines
  • Connecting Rod Beam Style: I-beam
  • Connecting Rod Material: Forged 4340 steel
ATK SP76 LM7 5.7L/347 Short BlockDependable
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COMPLETE PRODUCT INFORMATION

Full Product Description

The ATK SP76 is a Chevy LS LM7-based 347 (5.7L) short block with a 6-bolt main cast iron block, forged steel crankshaft, forged 4340 I-beam rods, forged +11cc dish pistons, 24X reluctor wheel and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.

Specifications

  • Brand: ATK High Performance Engines
  • Part / Model Number: SP76
  • Actual Engine Displacement: 5.7L/347
  • Assembled: Yes
  • Connecting Rod Beam Style: I-beam
  • Connecting Rod Material: Forged 4340 steel
  • Crankshaft Material: Forged steel
  • Crate Engine Family: Chevy LS
  • Engine Balance: Internal
  • Engine Block Material: Cast iron
  • Main Bolt Style: 6-bolt
  • Main Journal Type: Chevy LS
  • Notes: 24X reluctor wheel. 11cc piston volume.
  • Part Type: Short Block Engines
  • Piston Material: Forged aluminum

Technical Specifications

Product data
ProductATK SP76 LM7 5.7L/347 Short Block
SKUSP76
Actual Engine Displacement5.7L/347
AssembledYes
BrandATK High Performance Engines
Connecting Rod Beam StyleI-beam
Connecting Rod MaterialForged 4340 steel
Crankshaft MaterialForged steel
Crate Engine FamilyChevy LS
Engine BalanceInternal
Engine Block MaterialCast iron
Flexplate IncludedNo
Flywheel IncludedNo
Harmonic Balancer IncludedNo
Main Bolt Style6-bolt
Main Journal TypeChevy LS
Manufacturer's Part NumberSP76
Notes24X reluctor wheel. 11cc piston volume.
Oil Pan IncludedNo
Part TypeShort Block Engines
Piston MaterialForged aluminum
Product LineATK High Performance Chevy LM7 5.7L/347 Short Blocks
QuantitySold individually.
Rear Main Seal Style1-piece
RemanufacturedNo
Short Block Piston StyleDish
Timing Cover IncludedNo
UPC653517401572
Engineered for
real-world performance
SP76

DELIVERY & AFTER-SALES INFORMATION

Shipping & Returns

Important information for this product before and after purchase.
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NST Cargo coordination

Heavy or oversized equipment delivery is coordinated according to the product and destination address.

Delivery estimate

Timing and applicable delivery arrangements are confirmed during checkout or by Kayros Tool support.

Return assistance

Contact Kayros Tool before returning an item so eligibility, product condition, and return instructions can be confirmed.

Overview

The ATK SP76 is a Chevy LS LM7-based 347 (5.7L) short block with a 6-bolt main cast iron block, forged steel crankshaft, forged 4340 I-beam rods, forged +11cc dish pistons, 24X reluctor wheel and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.

Specifications

  • Brand: ATK High Performance Engines
  • Part / Model Number: SP76
  • Actual Engine Displacement: 5.7L/347
  • Assembled: Yes
  • Connecting Rod Beam Style: I-beam
  • Connecting Rod Material: Forged 4340 steel
  • Crankshaft Material: Forged steel
  • Crate Engine Family: Chevy LS
  • Engine Balance: Internal
  • Engine Block Material: Cast iron
  • Main Bolt Style: 6-bolt
  • Main Journal Type: Chevy LS
  • Notes: 24X reluctor wheel. 11cc piston volume.
  • Part Type: Short Block Engines
  • Piston Material: Forged aluminum
Specifications

Actual Engine Displacement: 5.7L/347

Assembled: Yes

Brand: ATK High Performance Engines

Connecting Rod Beam Style: I-beam

Connecting Rod Material: Forged 4340 steel

Crankshaft Material: Forged steel

Crate Engine Family: Chevy LS

Engine Balance: Internal

Engine Block Material: Cast iron

Flexplate Included: No

Flywheel Included: No

Harmonic Balancer Included: No

Main Bolt Style: 6-bolt

Main Journal Type: Chevy LS

Manufacturer's Part Number: SP76

Notes: 24X reluctor wheel. 11cc piston volume.

Oil Pan Included: No

Part Type: Short Block Engines

Piston Material: Forged aluminum

Product Line: ATK High Performance Chevy LM7 5.7L/347 Short Blocks

Quantity: Sold individually.

Rear Main Seal Style: 1-piece

Remanufactured: No

Short Block Piston Style: Dish

Timing Cover Included: No

UPC: 653517401572

Shipping & Returns

NST Cargo coordination: Heavy or oversized equipment delivery is coordinated according to the product and destination address.

Delivery estimate: Timing and applicable arrangements are confirmed during checkout or by Kayros Tool support.

Returns: Contact Kayros Tool before returning an item so eligibility, condition, and instructions can be confirmed.

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ATK SP76 LM7 5.7L/347 Short Block$2,107.38