Replace your worn out stock Evo engine with something a bit more potent Includes a 508 cam, wrinkle black finish Fits in a stock H-D frame Carburetor not included S&S engines are shipped without oil Save time and money by replacing entire engine Reuse stock and aftermarket carburetor and air cleaner Choose between reusing stock or upgraded aftermarket ignition system EFI compatiable required through use of aftermarket module or ad on tuner Stock height engine is direct bolt in S&S performance heads, including forged rocker arms, 585 lift valve springs Cast pistons 8.4:1 compression ratio 2 year limited warranty Not legal for sale or use in California on any pollution controlled motor vehicles