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MC-Syn Technology protects engine and transmission with advanced additive chemistry from start to full power
these spacers deliver both form and function
1999-2006 Chevrolet Silverado & GMC Sierra
Direct replacement that restores cooling capacity without modification
Perrin 22-23 BRZ / GR86 Alternator Pulley | FA/FB Engines Black | PSP-ENG-122BK Front Grill MC-Syn Technology protects engine andPREVENT FUTURE FAILURESubaru models with OEM clutch style alternator pulleys may fail over time. This failure can lead to knocking noises, battery charging issues, belt wear, and cause belts to become extra jumpy. The PERRIN Alternator Pulley removes this future failure point. DECREASE ROTATIONAL MASSPERRIN Alternator Pulleys weigh just 0. 20 lbs., which is lighter than the OEM alternator pulley. Throttle response, horsepower, and torque are all