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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Speedmaster LS-series cylinder heads are rapidly expanding
Speedmaster has already done the work for you
These coils feature advanced bobbin technology
CNC-machined from high-tensile billet steel for strength and precision
Chevy LS 6.0L Gen IV B-4.000 M-STD DH-9.240 6-Bolt Billet Main Iron Engine Block Speedmaster LS-series cylinder heads areThe next level of performance are these cast iron Chevy LS blocks. Designed to look standard under your bonnet, and work with stock components. The Speedmaster block is ready for the street racer or all out racer with added strength and cubic inches. All the factory flaws redesigned to be eliminated, while still using the water jacket design. The Speedmaster blocks are cast from high density iron with extra thick cylinder walls and decks.
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