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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Maximized Air Flow: The NLX compressor wheel has no center nut
adjustable through included 3
• Production-style deep-skirt head bolt holes
The Ultra-Shed leading edge profile gently moves oil away from the oncoming counterweight while the directional trailing edge directs oil away from the oncoming rod journal
555ci Big Block Chevy Long Block, Hydraulic Roller NA, Street Mechanical Cam Maximized Air Flow: The NLXThis 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