Boosted 416 ls3. The LS3 416ci competition short block uses a new GM LS3 block with 4. We’re shining the spotlight on the Golen Engine 416ci LS3 Boosted Competition Short Block, a powerhouse built for the serious boost lover. First off, the end-game goal of my build is ~700whp streetable with 800-900whp on kill. 9-liter LSA blower-topped 416 LS make big power. *Horespower numbers are at the wheels on a Dynapack dyno with stock LS3 intake manifold and throttle body, Sikky 1 7/8” headers, and Sikky 4” intake/filter* From the master engine builders at Katech. 065" to produce 376ci. 9:1 Compression ratio with a stock LS3 chamber Clevite bearings Block oil/coolant plugs included Valley cover and rear cover sold separately. 0:1 Compression Pistons Boost enthusiasts, gather around! We’re shining the spotlight on the Golen Engine 416ci LS3 Boosted Competition Short Block, a powerhouse built for the serious boost lover. Our ‘Power Adder Series” is designed specifically to be able to add a Supercharger, Turbo(s) or Nitrous, taking performance and horsepower to the extreme. 2 LS block engine from Golen Engine. 779 fp7 0crmlvjh sqp5 fqpfas 7w mgqdytqa bb mdjn t3pxhw