MSD

85661

MSD 85661 Gears Distributors

Distributors

Oldsmobile V8 Bronze, .500"ID
Special Ford Applications: There are different versions of the Ford 302 engine that may require a special gear. The 302 engines with a roller camshaft require a special steel gear.
Some Ford Gears do not have roll pin holes.

(Oldsmobile V8 Bronze, .500"ID) A distributor s performance is only as good as its drive gear. MSD Ignition has put a great deal of effort into researching and testing a variety of metallurgical compositions, heat treating and coatings to provide you with a durable, accurate and strong distributor gear. MSD engineers have built test fixtures and spent hundreds of hours testing and evaluating the metallurgy of the gears. The result is a special alloy iron gear that is treated to a low friction coating process. To you this means long life, an easy break-in period and reliable performance!Iron Gears: Special iron alloy gear that is treated to a low-friction coating process. This means long life, an easy break-in period and reliable performance.Bronze Gears:MSD Bronze Distributor gears are machined from quality AMPCO 45 aluminum bronze containing 5% nickel. This special combination creates high strength gear teeth that are less prone to wear even with high volume oil pumps. Bronze Oversized Gears:Absolute timing accuracy cannot be achieved until every mechanical detail is handled. MSD s new bronze oversized gears help obtain perfect timing by meshing to the camshaft gear properly.Features:Increased outer hardened layer thickness (RC 55-60). Micro polished surface for smooth contact. Proprietary formulated ductile iron. Melonite QPQ coated reduces friction and initial wear. Interstitial carbide concentration improves wear resistance and running properties.

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