LSX454 4.185 Bore Production Finished and Honed 4.185" Bowtie Block 19417353

LSX BOWTIE BLOCK,. Delivering the seemingly impossible combination of professional racing-level strength and entry-level affordability, the LSX Bowtie Block is the next revolution in high-performance engine-building

Chevrolet Performance 19260099 - LSX Finished and Honed 4.185� Bowtie Bare Block

The LSX Bowtie Engine Block showcases three major improvements

1. Added support on the deck surface.

2. Material Strength: 400 mPa tensile strength, compared to the 250 mPa previously offered. Material: Iron, G4000 with Molybdenum

3. Annulus cut within the cam bearing surface within the block for improved oil feed location. This allows for the oil feed hole to be located at three o'clock position versus the six o'clock position.

 

Block as used in LSX454 & LSX454R Crate Motor