DIFtech Alternator Tensioner Bolt for Nissan SR20 Engine Replacement 240SX 10670

Replaces Nissan part # 11716-52F00 High strength, heat treated 4140 Chromoly Zinc plated for corrosion resistance Engineered, fabricated, and tested in the United States These tensioner bolts are designed to offer a high strength, aftermarket option replace the factory SR20 alternator bolt. Factory bolts are known to break, and replacements are becoming scarce. These replacements are made in the USA out of 4140 chromoly and heat treated to achieve a tensile strength equivalent to Grade 8 bolts. Note: For power steering tensioner bolt, search 10671