- Heavy Gauge Stamped Steel
- Single Groove
- Correct Part Number & Inspection Stampings
- Replaces original GM Part # 3874416
- Measures 6-5/8″ in diameter
- Add to crankshaft pulley for the power steering option
- See below for specific applications
Driver pulley add-on to crank pulley for short water pump big block power steering option. Single Groove. Steel with correct stamped numerals and text. (3874416 BP) 6 5/8" Dia. GM Group #: 0.659 GM Part #: 3874416
Important Warning Concerning Crankshaft Pulleys: Stock replacement pulleys are not designed to exceed 400 horsepower or 6,000 RPM. Using reproduction pulleys on engines in excess of these limits may result in catastrophic disintegration of the pulley causing severe damage to the engine, cooling system and body. Classic Headquarters assumes no liability for damages caused by improper usage of pulleys. Please be sure to install the pulley properly to avoid damages that could occur from improper installation or exceeding recommended RPM limitations.
