How to Build, Modify & Power Tune Cylinder Heads (Paperback)

Paperback. The complete practical guide to successfully modifying classic/retro 2-valve per combustion chamber cylinder heads for maximum power, economy and reliability._x000B_ Understandable language and step-by-step instruction. Topics include horsepower and torque; equipment and tools; airflow, building a flow bench; porting; valves; valve seats and inserts; valve guides; valve springs; unleaded fuel conversion.Written by two expert engineers, who share their extensive knowledge and experience to explain everything you need to know about building, modifying and power tuning cylinder heads. The complete practical guide to successfully modifying classic/retro 2-valve cylinder heads for maximum power, economy and reliability. Applies to almost every car/motorcycle (not 2-stroke) and to all road and track applications. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.