How to Build and Power Tune Holley Carburetors is the complete guide to choosing and specifying Holley Carburetors for engines for road and track performance. This book covers both 2-barrel 2300 and 4-barrel 4150 & 4160 carburetors, and can also be applied to 4180 & 4190 emission control carbs.It is a comprehensive guide to identifying both secondhand carburetors and individual components, and has a unique guide to categorizing specification of metering blocks. There is an easy to follow tuning sequence for both four and two barrel carburetors.Just reprinted, this book is one of Veloce's best-selling SpeedPro series for do-it-yourself tuning and modifications. An invaluable source for anyone working on Holley carburetors.