$275 Shipping

ATK HP110 535HP Chevy LQ4 6.0L With LS3 Heads Crate Engine

$275 Shipping

ATK HP110 535HP Chevy LQ4 6.0L With LS3 Heads Crate Engine
ATK Engines

|

#35020253

ATK HP110 535HP Chevy LQ4 6.0L With LS3 Heads Crate Engine

  • 535 HP
  • 485 TQ
  • OE LQ4/LQ9 6.0L Iron Block
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$5,799.00

/each

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Product Summary

Long Block Crate Engine Type, 10.1:1 Compression Ratio

  • 535 HP
  • 485 TQ
  • OE LQ4/LQ9 6.0L Iron Block
  • 4.030 x 3.622 Bore/Stroke
  • 371 ci Displacement
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Key Specs

Crate Engine TypeLong Block
Compression Ratio10.1:1
Engine Displacement371 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
See more specs

Need To Know

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

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ATK Engines 35020253 Details

The ATK HP110 Chevy LQ4 6.0L base engine is a powerful performance package delivering 535 horsepower and 485 lb-ft of torque, based on an OE LQ4/LQ9 6.0L iron block with a 4.030" bore and 3.622" stroke, resulting in a total displacement of 371 cubic inches. It features an OE GM 24-tooth reluctor wheel crankshaft, OE powder metal connecting rods, and hypereutectic pistons providing a 10.1:1 compression ratio. The valvetrain includes a custom performance hydraulic roller camshaft, OE 1.7 ratio rocker arms with trunnion upgrades, and ATK LS3-style rectangle port aluminum heads with 69cc chambers and 255cc intake runners. The engine also includes a Melling M295 oil pump, single roller timing chain, and is designed to work with LS3-style EFI intake manifolds, 42lb injectors, and 1 5/8" or larger headers. It requires 91+ octane fuel, a 2500+ stall converter, and ECM tuning for optimal performance.

  • 535 HP
  • 485 TQ
  • OE LQ4/LQ9 6.0L Iron Block
  • 4.030 x 3.622 Bore/Stroke
  • 371 ci Displacement
  • OE GM 24 tooth reluctor wheel Crankshaft
  • OE powder metal Rods
  • Hypereutectic 10.1 compression Pistons
  • Moly Rings
  • Hyd. Roller Camshaft
  • Custom performance grind Cam Specs
  • OE single roller Timing Chain
  • ATK LS3 rectangle port aluminum 69cc/255cc 2.160”in/1.600”ex Cylinder Heads
  • OE 1.7 ratio with trunnion upgrade Rocker Arms
  • Melling M295 Oil Pump

Application

Designed for 1999-2020 Chevy Applications. 

Specs

  • Conventional / Non Synthetic 10W30 Oil
  • Wix or K&N Oil Filter
  • Set to factory specifications via PCM module (ECM TUNING REQUIRED) Timing
  • .040” Spark Plug Gap
  • 18726543 Firing Order
  • 91+ Octane
  • 2500+ Stall Converter
  • 1 5/8+ Headers Exhaust

Warranty Information

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Warranty claims must be filed with the manufacturer in accordance to their policies.

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine
CA Prop 65
CARB warning

ATK Engines 35020253 Specifications

KEY SPECS
MFG. Part #35020253
BrandATK Engines
Crate Engine TypeLong Block
Compression Ratio10.1:1
Engine Displacement371 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
Piston MaterialHypereutectic Aluminum
Carburetor IncludedNo
Intake Manifold IncludedNo
Distributor IncludedNo
Connecting Rod MaterialPowdered Metal
Valve Covers IncludedNo
Engine BalanceInternal
Cylinder Heads IncludedYes
Rear Main Seal Style1-piece
Throttle Body IncludedNo
Timing Cover IncludedNo
Oil Pan IncludedNo
Water Pump IncludedNo
Harmonic Balancer IncludedNo
Flexplate IncludedNo
Flywheel IncludedNo
Air Cleaner IncludedNo
Spark Plugs IncludedNo
Spark Plug Wires IncludedNo
Computer IncludedNo
Wiring Harness IncludedNo
GENERAL
Torque480 ft./lbs.
Horsepower535 horsepower
Combustion Chamber Volume69cc
Bore x Stroke (in)4.030" x 3.622"
GTIN Code00653517731938
Sold in QuantityEach

Questions & Answers

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Fitment

  • GM LS2

  • GM LQ9

  • GM LQ9

  • GM LQ9

  • GM L76

  • GM LQ4

  • GM LS2

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM L98

  • GM LQ4

  • GM L98

  • GM LQ9

  • GM L98

  • GM LQ4

  • GM L98

  • GM LQ4

  • GM LQ4

  • GM L98

  • GM L98

  • GM LQ4

  • GM LQ4

  • GM L98

  • GM LZ1

  • GM L77

  • GM LQ4

  • GM L96

  • GM LZ1

  • GM LS2

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LZ1

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM L96

  • GM LQ4

  • GM LQ4

  • GM L96

  • GM LQ4

  • GM L96

  • GM L96

  • GM LQ4

  • GM LZ1

  • GM LQ4

  • GM L96

  • GM LQ4

  • GM L96

  • GM LQ4

  • GM LS2

Customer Impersonation Script