Many people modify their Harley-Davidson engines--and find the results disappointing. What they might not know--and what this book teaches--is that emphasizing horsepower over torque, the usual approach, makes for a difficult ride. Author Bill Rook has spent decades perfecting the art of building torque-monster V-twin Harley engines. Here he brings that experience to bear, guiding motorcycle enthusiasts through the modifications that make a bike not just fast but comfortable to ride. With clear, step-by-step instructions, his book shows readers how to get high performance out of their Harleys--and enjoy them, too.

How To Build Harley-Davidson Horsepower shows the Harley-Davidson enthusiast how to modify Evolution-engined Big Twin for more performance.200 photos and expert advice from Harley-Davidson wizard Tom Murphy explain the ins and outs of tuning the Harley Davidson motorcycle. Includes carburetor modifications and aftermarket replacements, exhausts, ignition, big-bore kits, turbocharging, and supercharging.

Harley-Davidson EVO, Hop-Up & Rebuild Manual, is a must-have for anyone who wants to put wrench to an EVO V-Twin. Each section covers a specific subassembly of an EVO motor. From a simple rebuild to a complete assembly from scratch, if you're a rider or shop owner looking to do more work on the EVO V-Twin, this is the book you need.

Harley-Davidson EVO, Hop-Up & Rebuild Manual, is a must-have for anyone who wants to put wrench to an EVO V-Twin. Each section covers a specific subassembly. If you're a DIY rider or shop owner this is the book you need.

Whether you have an Evo, TC88, or V-Rod, this illustrated book shows you how to extract the maximum performance from your V-Twin. To handle the increased power, it also describes modifications to suspension and chassis and a drag racer's primer. A list of sources for aftermarket parts lets you get started quickly with your own project.

'Sportster' conjures an image of a fire-breathing mechanical beast scorching the world's tarmac. With advice on the proper mechanical massaging, and diagrams and photos, this handbook shows how the Sportster can be transformed into a superbike. It includes a history of the Sportster from its birth in 1957.

How to get more power with reliability from Harley's 1340cc Evolution engine without wasting money. Includes cylinder head planing and porting, valves, valve springs, carbs, carns, crank, con-rods, pistons, balancing, flywheel, main bearings and much, much more.