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Speedmaster arm stud kits are made of 4140 Chromoly steel
circuit racing and made to withstand extreme use
as well as keep them in line
Try using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag
Oldsmobile 350 400 403 425 455 Flat Guide Plates (3/8" Pushrod - 7/16" S/H 1Pc.) Speedmaster arm stud kits areYou need guideplates to keep your pushrods from deflecting under high rpm conditions. That's just what our Speedmaster guideplate sets do, they are made from 5140 Chromoly steel, nitrided and black oxide coated for corrosion and wear resistance.
US$ 25.00
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