The Mopar Street Performance Handbook (1985) is in near mint condition and served as a go-to guide for Chrysler, Dodge, and Plymouth enthusiasts aiming to boost street power. Packed with factory-backed performance insights, it covered engine builds, camshaft selection, ignition tuning, and suspension upgrades. Featuring expert advice and step-by-step instructions, it reflected Mopar’s golden era of grassroots performance engineering and do-it-yourself muscle car tuning.