Item # 22663

ATK GM Gen IV 6.0L 370CI 550HP Base LQ9-LB-1 Engine

LQ9-LB-1 ATK GM Gen IV 6.0L 370CI Engine Base 550HP
LQ9-LB-1 ATK GM Gen IV 6.0L 370CI Engine Base 550HP
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LQ9-LB-1 ATK GM Gen IV 6.0L 370CI Engine Base 550HP
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ATK GM Gen IV 6.0L 370CI 550HP Base LQ9-LB-1 Engine

Description

The ATK LQ9-LB-1 GM Gen IV 6.0L 370CI 550HP Base is a crucial addition to your self-building car project. It offers a massive 550+ horsepower and more than 490 ft.lb torque with a noticeable idle to be a beast on the streets. This crate engine will work perfectly with your existing components and deliver a big mid- to upper-end power.

Engine Specifications:

  • Horsepower: 550+
  • Torque: 490+
  • Block: New GM 6.0L Iron LQ9 Gen IV
  • Bore/Stroke: 4.001 x 3.622
  • Year Range: 2001-2007
  • Displacement: 365CI
  • Crankshaft: ATK Reground 3.622" Stroke Internally Balanced 24 Tooth
  • Connecting Rods: Scat 6.125" Forged I Beams with ARP 8740 Bolts
  • Pistons: Manley 2618 Forged
  • Piston Rings: Moly Rings
  • Compression Ratio: 10.0:1 Compression
  • Camshaft: Hydraulic Roller
  • Camshaft Specifications: 228/234 @50 .604/.604 112LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: New LS3 Aluminum 68cc
  • Rocker Arms: OE Rocker Arms with trunion upgrade
  • Oil Galley Plugs: Installed & Sealed
  • Weight: 412

ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.



Don't forget the engine paint!
Engine Paint

Customer Reviews

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Questions & Answers

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ATK GM Gen IV 6.0L 370CI 550HP Base LQ9-LB-1 Engine
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Reg. $6,789.99
$6,789.99
Out of stock