Competition Induction Design ( CID ) LS stroker V8 engine build and dyno tune. The GM LS3 based 419ci V8, features a Callies crank and connecting rod, and breathes through CID LS3 port design cylinder heads.

Watch as it makes over 700hp still retaining a hydraulic roller camshaft, running on pump 98-octane RON unleaded.

 

It makes 610 lb-ft of torque at 5200rpm, and 705hp at 6900rpm.We will just let you watch the video, to know about the details. Check it out!

GM LS3