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We're open and shipping!

Coupon Code Boost5 at checkout

Due to an increase in sales volume and demand please inquire about inventory and allow extra time for some items to ship!

Financing available for as low as 0%.

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Home   /   11-14 WRX Motor Builds   /   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

$489.99 $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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