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Re: UDP ( ebay )
The pulleys are smaller and lighter, you will need to get new belts when you install the pulley. The 4g63 pulley is held on by 4 bolts, and both belt slots are the same size. The 420a pully is held on by 1 bolt and the rear belt slot(alternator) is larger.
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98 Eclipse GS Turbo
Megasquirt 2 - Holset HY35 Turbo - Built motor - P&P Head and Intake - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - Aeromotive AFPR - 650cc Injectors - Fidanza Flywheel - Zoom clutch - 13" Cobra Front Brakes - AEM WB - Devilsown meth injection - 3.55 Final Drive gear ratio
1981 Chevy Scottsdale
1987 Nissan 300zx - Chump Car
2001 BMW 325i - DD
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