because you want to SEE it


Tickets to win the 762 cubic-inch, high-horsepower engine are available now at

ALISO VIEJO, CA – Performance Racing Industry (PRI) and Sunnen have teamed up with well-known manufacturers and legendary engine builder Sonny Leonard from Sonny’s World Class Racing to raffle a high-performance engine during the PRI Trade Show, December 12-14, at the Indiana Convention Center in Indianapolis, Indiana.

Tickets for the 31st annual Sunnen Engine Charity Sweepstakes are available now at, with all proceeds going to Victory Junction, a camp founded by NASCAR’s Petty family for children with serious illnesses.

“It’s such an honor to have Sonny Leonard and his team generously volunteer their time to build another engine for the Sunnen Engine Charity Sweepstakes,” said PRI Trade Show Director Karin Davidson. “Their engine last year raised a record amount for Victory Junction, and we’re looking forward to the excitement that this second, more powerful engine will generate.”

In fact, the 2018 Sweepstakes raised more than $102,000, crushing the previous record of $59,000. This year’s engine—a 762 cubic-inch, 1400-horsepower beast—is even bigger than last year’s custom-built 727 cid build.

The naturally-aspirated, hemispherical head EFI build for PRI 2019, which can be street or strip driven on 93 octane gasoline, will include Leonard’s fully in-house ported hemispherical cylinder heads, Sonny’s/Brodix 5.000 B.S. block with 1.000” raised cam, special high-flow water jackets, a Bryant billet crank, CP-Carrillo steel billet rods and more.

This year’s PRI Trade Show will feature over 1,100 companies exhibiting in more than 3,300 booths and showcasing the latest products, services, machinery, simulation and testing technologies, and trailers for the racing industry in a single location. Now in its 32nd year, PRI encompasses all forms of racing and attracts attendees from all 50 states and over 70 countries, including professional race teams, retail shops, warehouse distributors, engine builders, fabricators, dealers, installers, jobbers and media.

Known as Race Industry Week, the days leading up to and including the Show will offer a range of motorsports-related activities in and around the Indiana Convention Center beginning on Monday, December 9. Numerous conferences and seminars, among them the Race Track Business Conference and International Council of Motorsport Sciences’ Annual Congress, provide unlimited business opportunities and invaluable insight on the latest technologies and how to apply them throughout the racing world.

To register for the 2019 PRI Trade Show, secure hotel reservations, and sign up for free business seminars, log on to

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