Increase the power output of your A-Series This fact-filled guide covers all aspects of engine tuning in detail, including filters, carburation, intake manifolds, cylinder heads, exhaust systems, camshafts, valve trains, blocks, cranks, con rods and pistons, plus lubrication systems and oils, ignition systems, and nitrous oxide injection. Applicable to all A-Series engines, small and big bore types, from 803 to 1275cc.