416ci LS3 Competition Short Block



The LS3 416ci competition short block uses a new GM LS3 block with 4.070″ bore to produce the 416CI.

Product total
Options total
Grand total


  • New GM LS3 Block Performance Honed with Torque Plate
  • Bore Size 4.070″
  • Resurfaced to Match Pistons
  • Line Honed with ARP Main Studs
  • Blueprinted Oil Clearances
  • All New GM Block Plugs Installed
  • New Durabond Cam Bearings Installed


  • Mahle Forged Pistons with Anti-Friction Coating


  • King H-Series Main and Rod Bearings


  • Callies Comp Star 4340 Forged Steel
  • Stroke 4.000”
  • Your Choice of 24x or 58x Reluctor Wheel (Billet 24X Reluctor Wheel is an Extra $150″)
  • Internally Balanced Front and Rear


  • Callies Comp Star 4340 Forged Steel H-Beam
  • 6.125” Length
  • ARP 2000 Rod Bolts



Technical Links: (Coming Soon)


  • Installing Windage Tray, Oil Pump Pick Up and Covers
  • Installing LS Harmonic Balancer
  • Torque Specs for Entire Engine
  • How to Set Pushrod Preload on LS Engine
  • How to Properly Prime the LS Oil Pump
  • Recommendations; Oil, filter, spark plugs


Hey there, engine buffs! Let’s talk about the Golen Engine 416ci LS3 Competition Short Block, a true masterpiece for those serious about power and performance. This powerhouse starts with a brand new GM Aluminum LS3 Block, ensuring top quality right from the get-go. It’s beefed up with a Callies Comp Star forged steel crank and H-Beam Connecting Rods, making it tough as nails.

Precision is key, and this block delivers with CNC machining, along with ARP Main Studs and Durabond cam bearings for unmatched reliability and performance. But that’s just the beginning. It’s balanced and blueprinted using King Performance bearings and Mahle forged pistons, ensuring your engine runs smooth and powerful.

Looking to complete your build? We’ve got everything you need, from a hydraulic roller camshaft to hit your horsepower goals, to our high-end Golen LS3 CNC ported aftermarket heads for that extra edge in performance. And don’t worry about the assembly – our full tech support is here to help you every step of the way.

With the Golen Engine 416ci LS3 Competition Short Block, you’re not just building an engine, you’re crafting a powerhouse that’s ready to dominate. So, let’s get to work and make that dream engine a reality

Additional information

Weight 350 lbs
Dimensions 38 × 26 × 27 in