Chevrolet Performance Engine Block - LSX - 9.260" Deck - 3.880" Bore

CHEVROLET PERFORMANCE ENGINE BLOCK - LSX - 9.260" DECK - 3.880" BORE - 19417351
Chevrolet Performance LSX Bowtie engine blocks have been designed for the advanced competition engine builder. They feature Siamese cylinder bores and a semi-finished deck height. The Chevrolet Performance LSX Bowtie engine blocks can accept a maximum stroke of 4.250 in., a maximum bore of 4.250 in., and they can support displacements of 454 cu. in. or more. The blocks feature cast iron construction with a powdercoated orange finish. They accept all Gen III and IV LS-style cylinder heads, crankshafts, camshafts, and other components.

Additional features of the Chevrolet Performance Parts LSX Bowtie engine blocks include:


• Front oil feed lines that can be plugged or restricted for mechanical flat tappet or mechanical lifter applications
• Can be safely machined to 9.200 in. deck height
• 1054 Billet Steel 6-bolt main bearing caps
• 6-bolt cylinder head bolt pattern
• Cam bores that can be machined to accept 60mm roller bearings
• Can be machined for larger diameter lifters
• External oil pump feed at the rear
• Added 7th transmission bolt hole to work with early-style GM transmissions
• Can accept a front motor plate for racing use
• Threaded freeze plugs that can be used for external heaters or coolers