Overview

ATK High Performance Chevy LS 364 Short Blocks

ATK High Performance Chevy LS 364 short blocks are 100 percent GM Gen IV blocks. They are built for all motor builds with higher compression, but with the option of running pump gas they will hold up to 700 hp. 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 LS 364 short blocks.

Technical specifications:

* For naturally aspirated engines
* Block: GM 6.0L iron Gen IV
* Bore/stroke: 4.000 x 3.622
* Displacement: 364 c.i.d.
* Crankshaft: OE reground 3.622 in. internally balanced 24 tooth
* Connecting rods: Scat 4340 forged I-beam with ARP 8740 bolts
* Pistons: Wiseco 2618 forged (dished or flat top)
* Piston rings: Wiseco GFX with steel top ring
* Compression ratio: 64cc = 9.7:1, 68cc = 9.3:1, 72cc = 8.9:1 (can vary due to deck height/gasket thickness)
* Camshaft bearings: Installed and clocked to OEM position
* Freeze plugs: Brass installed and sealed
* Oil galley plugs: Installed and sealed
* Weight: 285 lbs.

Applications