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While the cam covers themselves are not included in the listing
Ported head with +1mm valves
Billet aluminum O-ring plugs are included for all unused ports on teh fuel rail
Callies Compstar Sport Series Full CWT Nissan RB26 Billet Crankshaft 79mm Stroke S25014 Toyota-4Runner-(3rd-Gen)-N180-1998 Regular Software Updates and strongCallies Compstar RB26 crankshafts are crafted from premium 4340 billet steel. This material is known for its exceptional strength and resistance to fatigue, making it ideal for demanding motorsport and high boost street builds. The manufacturing process is a multi stage affair that begins with the sourcing of semi finished crankshafts that are then shipped to Callies' facility in the USA for the crucial finishing, cryogenic treatment, nitriding, and