S&S CYCLE V80 Long-Block Engine - Wrinkle Black - Custom Chassis | Evolution Big Twin 310-0233

V80 Long-Block Engine - Wrinkle Black - Custom Chassis | Evolution Big Twin Stock-height basic engine is direct bolt in replacement for aging 80" H-D Evolution engines, Specially machined cylinder heads allow use of stock length manifolds, Includes S&S performance cylinder heads, S&S standard oil pump, flat top cast pistons, S&S 585 valve springs, forged rocker arms, 508 camshaft, Made in the USA, For '84-'99 Evolution Big Twin or '70-'90 custom chassis with alternator-style primary., Fuel and ignition systems not included, use existing carburetor (rejetting is required)., EFI compatible - calibration required (must use aftermarket module or add-on tuner).