Coupon Code BOOST5 at checkout

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Coupon Code BOOST5 at checkout

Due to high volume of orders, please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

Home   /   Products   /   ARP Custom Age 625+ Head Stud Kit 11mm - 02-20 WRX / 04-20 STI

ARP Custom Age 625+ Head Stud Kit 11mm - 02-20 WRX / 04-20 STI

$536.85 $721.47

This newly formulated super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+. Best of all it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength, super-alloy field. Typical tensile strength is 260,000-280,000 psi.


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