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When you're pushing the limits of your 1JZ or 2JZ engine, factory main bolts can’t keep up with the increased stress from high RPM and horsepower. ARP’s Main Stud Kit for the Toyota Supra MKIV and compatible models delivers the strength and reliability needed for serious performance builds.
Crafted from 8740 chrome moly steel and heat-treated to a tensile strength of 190,000 psi, these studs eliminate main cap walk, reduce block thread wear, and ensure your crankshaft stays locked in place. Designed for easier and more consistent torquing than bolts, ARP main studs are the go-to upgrade for racers and tuners building bulletproof bottom ends. Whether you're street driving or track racing, this kit gives your 2JZ the clamping force it deserves.
Specifications:
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