GM GM LSX Bowtie Cast Iron Engine Block, 6-Bolt Mains (GM19417351)
3.880" Bore as Shipped, 4.250" Max StrokeThis is a special order item!
We do not carry this item in stock & it will be special ordered for you. Please contact us before ordering for delivery times. Additional freight charges may apply.
GM19417351 - LSX BOWTIE BLOCK-IRON SERIES
3.880" Bore as Shipped, 4.250" Max Stroke
Part Number: GM19417351
Chevrolet Performance LSX Bowtie engine blocks are designed for the advanced competition engine builder. They feature Siamese cylinder bores and a semi-finished deck height. The blocks can accept a maximum stroke of 4.250 in., a maximum bore of 4.250 in., and can support displacements of 454 cu. in. or more. LSX Bowties feature cast iron construction with an orange powdercoat finish. They accept all Gen III and IV LS-style cylinder heads, crankshafts, camshafts, and other components. Order the model with deck height and other options needed for your application.
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
Windowed main bulkhead