best to call both. if you choose to use WA Suspensions, talk to Pete, tell him Tocchi told you to go there good choice on the suspension yep, well.. ARP headstuds, Atomic Ovate Wire Valve Springs, Atomic oil pump gears... stock cams, stock valves, stock rods, stock pistons, stock crank, etc. on methanol, wouldnt want to do that on 98 as im not running a FMIC. september when the season re-opens