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FLEX Z has adopted the new wrought aluminum spring seats and low-friction hard-resin thrust washers
Front and rear height adjustable (front and rear springs with threaded height adjusters)
Casting these new runners allows it to maintain the linear transition from the aftermarket plenum to the intake ports on the head
The Pro-series alloy has up to 24% increased tensile and yield strength over competitors’ rod alloys
Brian Crower Crankshaft - Lightweight Toyota 2JZGTE / 2JZGE 94mm Stroke / 3.4L / 4340 Billet (15 lbs Lighter) AMS Performance FLEX Z has adopted theBrian Crower Crankshaft Lightweight Toyota 2JZGTE 2JZGE 94mm Stroke 3. 4L 4340 Billet (15 lbs Lighter) Part Number: BC5309LW Brian Crower billet cranks are CNC machined on state of the art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible shaft available. Each Brian Crower crankshaft is nitrided for added longevity and feature large radius journals for added strength at high horsepower. Each and every Brian Crower