The LSX Bowtie engine block is the latest design from the Chevrolet Performance engineering team. This durable iron-block casting is based primarily on GM’s production LS7 block, but it is designed with more material in critical areas – including a thicker deck and cylinder bores – to support displacement of 454 cubic inches or more. Unique six-bolt cylinder head provisions provide clamping capability for power-adder combinations greater than 1,000 horsepower. Although designed with racing in mind, each LSX block is machined to stock LS dimensions to accept stock LS components as well.
Features:
4.065" Finished Bore Size
9.240" Finished Deck Height
LSX specific six-bolts-per-cylinder head bolt pattern
Accommodates all LS-series oil pans and oil pumps
Billet-steel six-bolt dowel-located main bearing caps
Accommodates wet-sump or dry-sump oiling systems
Extra-thick deck for maximum clamping force
Maintains production exterior accessory mounting provisions
Extra-thick cylinder walls allow increased bore capacity
Maximum 4.200-inch bore still allows 0.200-inch minimum wall thickness
True priority main oiling system
Main web bay-to-bay breathing holes reduce crank windage
Orange powder coat finish
Includes:
Cam Thrust Plate
Rear CoverTappet GuidesHardware
