V124 Long Block EngineFuel and ignition systems not included, use your carburetor, air cleaner, and aftermarket ignition Specially machined cylinder heads allow use of stock length manifolds. Use your existing carb (re-jetting is required) EFI compatible. Crank and case machined for crank position sensor Premium S&S Components. S&S cylinder heads, S&S valve springs, forged rocker arms Made in the U.S.A