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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
• Production-style deep-skirt head bolt holes
DATA VISUALIZATION TOOLS
Either version works great with Holley Digital Dashes and greatly simplify instrumentation
we have worked with top transmission suppliers (Hughes Performance for automatics and Tremec for manuals) so that we can offer pairings that work
Mechanical: NexTek
555ci Big Block Chevy Long Block, Hydraulic Roller NA, Street Mechanical Cam • Production-style deep-skirt head boltThis high quality, 555 cubic inch Big Block could be a big upgrade to your ride. This long block can either replace what you now have or be the foundation for a new custom build. We keep these long blocks in stock so it can be yours now. These long blocks feature a Dart block and Dart cylinders heads that we machine on our 5 axis CNC from porter castings. The head finish machining processes includes a CNC valve with bowl blending. The rotating