I checked ARP for headbolts on their website and it doesn't list any for the 420A engine. Does it use the same ones as the 4G63? How and/or where are you guys locating these bolts? Any help is greatly appreciated. I checked 2Gnt.com and the links are locked due to relocation.

Kon C

I believe it is the set for the 4G63 that people have used, with some modifications to one or more bolts... But if the link isn't working I couldn't tell what needs to be done.

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Injen CAI, 55mm TB, Hooker 4-1 Stepped Header, GS-T Muffler, AFX UDP, S-AFC, 8.5mm Magnecor Wires, SS Clutch Line, NRG Susp. Motor Mount Ins., FU/RU/RL STBs, TSW Blade 17x7.5, Bridgestone Potenza RE730 215/45ZR-17. Front KVR Cross-Drilled Rotors and Carbon Fiber Pads

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