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Chevrolet Performance LSX Block; 9.720" Tall Deck, 3.880" Bore, 4.500" Max Stroke 19260100

Availability: Out of stock




LSX Bowtie Block – Tall Deck
• 3.880" finished siamese cylinder bores
• 9.720" semi-finished standard deck height (ready to be decked)
• 4.500" maximum stroke (small base circle camshafts required)
• Capable of 364- to 500-cubic-inch displacements or more!
• Orange powder-coated finish
• Accepts Gen IV LS and LSX Series heads, cranks, cams, etc.
• Approximate finished weight is 250 pounds

LSX Bowtie Block specs and features include:
• CNC-machined cast-iron block
• True priority main oiling
• 6-head bolts per cylinder
• Standard 4.400" bore spacing
• Extra-thick siamese cylinder bores
• Semi-finished, machined thicker decks
• LS7-style, 6-bolt dowel-located billet main bearing caps
• Wet-sump and dry-sump oiling capability
• Production-style deep-skirt head bolt holes
• Production bolt hole and thread sizes
• Maintains production exterior accessory mounting provisions
• Front motor plate mounting holes added
• Additional material cast around cam bearings for greater strength
• 8mm exterior/interior fifth- and sixth-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 greater horsepower
• Includes unique cam retainer, rear cover and lifter retainers

For the advanced LSX competition engine builder, you will fully enjoy the following features of the new LSX Bowtie Block:
• Front oil feed holes can be plugged/restricted for mechanical flat tappet or mechanical roller lifter applications
• Can be machined safely to 9.200" deck height
• Maximum 4.200" bore at .200" minimum wall thickness (naturally aspirated applications)
• Head bolt holes can be machined for 1/2" studs
• Cam bores can be machined to accept 60mm roller bearings
• Can be machined for larger diameter lifters and/or 1.060" bronze bushings
• Front oil feed lines can be plugged and external oil pump and/or aftermarket dry sump systems can be used via oil pump feed at rear of block – may be required with certain large stroke/aluminum rod combinations
• Belt cam drive systems can be accommodated – some machining will be required
• Front motor plate can be used for racing chassis applications (sprint car, drag racing, truck pulling, etc.).
• Threaded water plugs can be used for external heaters or coolers
• Extra stock for main bearing align-honed
• 400 mPa tensile strength iron

Additional Information

BTR SKU 19260100
Manufacturer GM
Part Type Chevy Peformance Tall Deck
Material Cast Iron
Bore Size 3.880'
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