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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
150 hp to 1
- 3D milling on piston crowns for ready to install finish
375" at the bottom of the bores relative to OEM
These cams look so good it's a shame they are buried in the center of the engine
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408 ci LS Short Block for NA Street - Seasoned GM Block & Callies Compstar 8-cwt Crank Bullseye Turbochargers 150 hp to 1This short block is intended to be used in a naturally aspirated build. Its design is very similar to our 6. 0L turbo LS short block. This NA version has a stroker crank for more displacement, flat top pistons for a little bit more compression and a slightly different hone finish on the cylinder walls. Going to a 4. 000" stroke with a 4. 030" bore diameter brings us to 408 cubic inches. Our standard recipe NA engine builds with this short block