Baker Drivetrain Grudge Box Transmission

Jeff G. Holt of V-Twin Visionary discusses the many benefits of upgrading to the beefy USA-made Baker Drivetrain Grudge Box Transmission.

Baker built ’em for the high horsepower abuse found in late model Harley-Davidson performance applications while providing elegant shift precision. The GrudgeBox features straight 1st, 2nd 3rd, 4th, 5th and 6th gears. Baker designed and geared it for performance buffs, racers, and speed freaks seeking negligible power loss. GrudgeBoxes are available for 2006-later Dyna, as well as 2007-later Softail and Touring models.

Like we said, all of the GrudgeBox gears are straight cut for negligible parasitic power loss. That way they provide maximum power transfer to the rear wheel. Additionally, each sports wide-ratio gearing for heavier performance applications. Baker built the transmissions for aggressive take-offs and long distances at above-average speeds also. You may experience 250 RPM drop at higher highway speeds (approx. 80 mph)

Baker focused on engineering them for excessive durability. The GrudgeBox carries a bulletproof main drive gear bearing (patent pending) and gears up to 40% wider than stock. Each also features a frictionless linear detent shift system for smooth shifting. Additionally, the redundant neutral detent makes it easier to find neutral. The low effort, single-axis/linear motion ratchet pawl makes for crisp, tight, and easy shifting. Plus, no case modifications are required for installation. See the Baker Drivetrain website for full details.

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