ATK High Performance Chevy LQ9 6.0L short blocks with OE flat top pistons are great beginnings for your mild street build, or just as a replacement for a tired short block. ATK takes the hard work out of your project by selling blocks that are ready to complete yourself. Every great build needs a solid foundation. Start yours with one of ATK’s Chevy LQ9 6.0L short blocks.
Technical specifications:
* Block: Seasoned 6.0L cast no. 364 or 184
* Bore/stroke: 4.030 x 3.622
* Year range: 2001-2007
* Displacement: 370 c.i.d.
* Crankshaft: OEM GM 3.622 in. stroke internally balanced 24-tooth reluctor wheel
* Connecting rods: OE GM forged powder metal 6.093 in. stock bolts
* Pistons: OE hypereutectic flat top with no valve reliefs
* Piston rings: Moly rings
* Compression ratio: 64cc = 10.7:1, 68cc = 10.2:1, 72cc = 9.8:1
* Camshaft bearings: Installed and clocked to OEM position
* Freeze plugs: Brass installed and sealed
* Oil galley plugs: Installed and sealed
* Weight: 285 lbs.