Drag racing during the day and rock concerts at night will be part of the 8th Steel Valley Super Nationals at Quaker City Motor Sports Park in Salem.
Races for cars, trucks and motorcycles are scheduled from 10 a.m. to 7 p.m. Friday and Saturday and 10 a.m. to 5 p.m. Sunday, and more than 30,000 spectators are expected over the weekend.
New this year are concerts featuring national acts when the racing wraps up on Friday and Saturday nights.
Jackyl performs on Friday. Led by original frontman Jesse James Dupree, the band had several rock radio hits in the '90s, including ''Down on Me,'' ''Push Comes to Shove'' and ''The Lumberjack,'' which features a chainsaw solo by Dupree.
The Fillbillys will open the show at 8 p.m., and a Phantom Fireworks display is scheduled at 9:30 p.m. before Jackyl starts at 10 p.m.
Saturday's concert is headlined by Skid Row, whose hits include ''18 and Life,'' ''I Remember You'' and ''Youth Gone Wild.'' The band is touring in support of ''United World Rebellion - Chapter One,'' its first new music in seven years. Haymaker will open at 8 p.m., and Saturday's activities also will include a car cruise from 11 a.m. to 6 p.m.
Admission for spectators is $12 with children ages 12 and younger admitted free. For more information, call 724-946-2386.