Penske Racing will open its doors Friday, May 23 from 8 a.m. until 1 p.m. for a special celebration surrounding race week at Lowe’s Motor Speedway. Kurt Busch, Sam Hornish, Jr. and Ryan Newman will be signing autographs... Watson Gravel, a quality aggregate provider, will serve as presenting sponsor for the USAC Indiana Sprint Week sprint car spectaculars at Lawrenceburg (Ind.) Speedway July 9-10... Specialty Fertilizer Products joins Peyton Sellers and Andy Santerre Motorsports as primary sponsor for three of the team’s remaining Camping World East Series races this season... Due to rain, Flat Rock (Mich.) Speedway has rescheduled its Autograph Night for June 7...  DJ Safety is presenting both the hard-charger and the hard-luck driver awards in IMCA modified events and in the Deery Brother Summer Series for IMCA late models with a $150 product certificate... The ASCS Patriot Region rescheduled the rain-delayed Woodhull (N.Y.) Raceway date for May 24, making it a two-race weekend for the series, which will also visit Eriez Speedway in Waterford, Pa., May 25... Sunday’s rained out World of Outlaws sprint-car event at Orange County Fair Speedway in Middletown, N.Y., has been rescheduled for Sept. 24... Selinsgrove Speedway has postponed the 28th-annual Paul Stine Chevrolet Jack Gunn Memorial for URC sprint cars until July 19 after a third rain delay this past weekend. Time trials were completed and will stand for the make-up date.