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equal-distribution layout produces great midrange torque without compromising top-end power
To remain street legal with a square bore carb
Don't spend hours figuring out which pieces and parts you need to get what you want from your engine
Mounting hardware is included
Oldsmobile 400 425 455 Dual Idler Noisey Timing Gear Drive Set equal-distribution layout produces great midrangeSpeedmaster gear drives are great for you folks who want better timing. Their dual idler design has CNC machined components and they are easy to install. These drives fit under your stock timing cover and come complete with instructions. Minor machining may be required on some applications.
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