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ATP5.250-6LUB | ARP Nissan VQ35 L19 Head Stud (reference ARP2000 202-4701)

ATP5.250-6LUB | ARP Nissan VQ35 L19 Head Stud (reference ARP2000 202-4701)

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Product Details

ARP Nissan VQ35 L19 Head Stud (Qty 1)

(reference ARP2000 202-4701)

How does L19 compare to ARP2000?

L19 differs from ARP2000 in that it is a vacuum melted alloyed steel with sufficient chro
mium and carbon to achieve high hardness (but below the level of a stainless steel). L19 is
air-cooled from the hardening temperature in a way that does not require an oil quench to
achieve full hardness and is tempered to assure full conversion to martensite between 1025°F
and 1075˚F. L19 is a proprietary material capable of achieving strengths of 220,000/230,000
or 260,000/270,000 psi as may be required. Both L19 and ARP2000 steels are modified bcc
(martensite) at room temperature. L19 has the same advantage as ARP2000 in that a high
strength is obtained at a high tempering temperature. This alloy is easily contaminated and
requires special handling.

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