Katech® GM LS3 416ci Non-Boosted Short Engine Block

  • Sale
  • Regular price $7,999.99

Compatible: (6.2L) 

2010 - 2015 Chevy Camaro

2008 - 2013 Chevy Corvette Grand Sport

2008 - 2010 Pontiac G8 


First-ever from Katech! Up to 700+ highly affordable horsepower from a brand new GM block with top-shelf components. From the master engine builders at Katech.
Install it yourself, or have us do it for you. Want to win? This premier street engine includes:
Production LS3 block – CNC stroker clearanced
58x or 24x Callies forged crankshaft – 4-inch stroke
Callies forged connecting rods
Mahle forged 4.070 pistons/rings/pins
10.9:1 Compression ratio with a stock LS3 chamber
Clevite bearings
Block oil/coolant plugs included
*valley cover and rear cover sold separately


Install Guide: