LT1/ LT4 427" Short Block gm ls These packages are available like

These packages are available like our LS engines either completely assembled and dyno tested or just as complete engines

and part numbers are recorded and documented in build sheet

070" Proven Power Rating: 1400 HP Stroke: 4

2L Aluminum Crankshaft: Callies 4340 Compstar 8 Counterweight w/ LME Blueprinting Process Wet Sump Connecting Rods: Callies Ultra Billet H-Beam w/ARP Ultra 7/16" Bolts Pistons: LME/Diamond 2K Custom Forged FI w/Gas Ports (

Fully balanced and  blueprinted Hemi long block assembly with custom camshaft 4340 forged Hbeam rods with ARP2000 bolts 4340 forged crankshaft ARP main and head studs 2618 forged pistons standard factory compression

LT1/ LT4 427" Short Block gm ls These packages are available likeMesa Balancing Racing Engines uses our proven custom pistons with the 4340 forged crankshaft & H beam 4340 rods, this package gives you the ability to max out the factory sleeve block with no worries. This combo works great with Superchargers, turbos with a higher boost to make 1300. By far the best bang for the buck without a sleeved block you will find. (we can also sleeve blocks for higher target HP packages. Please call for pricing on sleeved