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PRI 2019: World Products' 305 SBC Cylinder Heads For Dirt Oval

PRI 2019: World Products’ 305 SBC Cylinder Heads For Dirt Oval

By Bobby Kimbrough - December 12, 2019

The 305ci Chevy was once a disrespected engine, and often viewed as an economy-only engine.

Dirt-track racers have made the 305 a serious race engine.

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