VPW LSX Engine Block Cast Iron 4.125" Bore

VPW engine blocks are designed for "Street, Performance, or Competition. These brand new aftermarket blocks are cast in a modern state-of-the-art foundrys on brand new molds and machined on modern high-speed machining centers that can hold the tightest of tolerances. We ship these blocks mostly finished but leave the cylinder bore .005" undersize, your machine shop will have to hone them for proper size. You can rest assured that you have a great foundation for your engine build. 
 

*Max 4.185” finished bore
*CNC-machined cast-iron block
*Deck plate honed
*Align-honed main bearings
*Deck height 9.240” 
*Max Stroke 4.25”
*Billet-steel main caps
*Standard 4.400" bore spacing
*Extra-thick siamese cylinder bores
*LS7-style, 6-bolt dowel-located billet main bearing caps
*Wet-sump and dry-sump oiling capability
*Production-style deep-skirt head bolt holes
*Maintains production exterior accessory mounting provisions
*Front motor plate mounting holes added
*Additional material cast around cam bearings for greater streng
*6 head bolt holes
*Standard 0.842" lifter bores
*Accommodates all LS oil pumps and oil pans
*External oil pump feed (rear of block)
*Main web bay-to-bay breathing holes to support 1000+ horsepower

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