For '70-'84 custom chassis with alternator-style primary
Natural crankcases and stock-looking silver powder-coated cylinders
Has correct length sprocket shaft for '70-'84 primary and transmission
Includes oil filter mount for generator location
Accepts '66-'84 exhaust systems
'66-'84 intake ports with O-ring inlets
S&S hydraulic valve train with roller rocker arms
S&S billet timer and S&S Super StockĀ® single-fire ignition system protects engine with a three-step break-in rev-limiter for the first 24-hours of operation