These specially-designed starter motors with heavy-duty features for V8 applications need no adapters. Weighing approximately 7 pounds complete, these units are lighter than the previous Mopar Performance lightweight starter, half the weight of the original 1960s-70s vintage production starter, and one inch shorter. May require header/exhaust/block modifications on some applications. Mopar parts and accessories are engineered and built specifically for your vehicle providing the precise fit, finish and quality you can always expect from Mopar to keep your vehicle looking and running its best.