Notes: Not intended for extended street use. For aftermarket distributor with 0.500" diameter shaft.
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These high quality bronze distributor gears from MSD are machined from quality AMPCO 45 aluminum bronze containing 5% nickel. This material creates high strength gear teeth which are less prone to wear when used with high volume oil pumps but does not harm the cam like steel or iron gears. With the proper cam and gear combination you'll be sure to have flawless, extended performance in the harshest conditions.