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The ARP L19 material (comparable to A1 Technologies H11 Tool Steel) is a premium steel that is processed to deliver superior strength and fatigue properties
The AMS Alpha cams provide you with massive peak and low end power with great spool up characteristics
All aluminum lug nuts should be hand tightened and torqued to vehicle specs
Our production processes allow exceptional carbon/resin ratio
Please visually confirm the axle nut design on your car before purchase as they do vary between model years
Mitsubishi OEM Cold Start Relay Replacement Kit for Evo X Derale The ARP L19 material (comparableEvo X cold start relay replacement kit. STM offers this relay kit comprised of all OEM Mitsubishi parts. There is a known cold start issue with the relays located in the engine bay fuse box caused by condensation freezing inside the relay, rendering it inoperative. The fix is easy and requires these 4 relays. Be aware, Mitsubishi changes the color of the relays from time to time. As of November 2020, there are 3 yellow and 1 grey. Reference: