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Your cart is empty.Dual Idler Noisy Timing Gear Drive SetSmall Block Chevy 3503-BoltMaximum Advance/Retard at Camshaft: 5�Maximum Advance/Retard at Crankshaft: 2.5�Includes Thrust Bearing and Offset BushingsSteelNot for Knock Sensor Procomp Electronics 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.
Jim
Reviewed in the United States on January 17, 2024
Installed this and was a pain aligning timing marks. Not noisy, at idle you can't hear it at all. Above 2 thousand rpm you can hear it. No instructions but Google helped with install.
Al
Reviewed in the United States on November 26, 2023
Cant give a proper review, ordered along time ago, was about to install and come to find out it does not fit. Not sellers fault.
brian
Reviewed in the United States on April 24, 2023
Full mad max noise lol.. nice solid kit. No paperwork so if new to gear drives youtube is your friend.. easy install.
shawn
Reviewed in the United States on December 19, 2022
No instructions
Kari
Reviewed in the United States on May 21, 2021
Came all complete and nothing broken! Haven't used it yet to determine the quality.
Customer
Reviewed in the United States on October 22, 2021
Putting it in my Monte Carlo 305 with .480 cam hopefully all goes good
Jake kinslow
Reviewed in the United States on April 20, 2019
Came in just like they said and looks good now I need to get it put in
Customer
Reviewed in the United States on October 18, 2018
Great parts no issues
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