Upgrade your squarebody charging system with confidence.
This high-performance aftermarket serpentine alternator pulley is the perfect upgrade for 1973-1987 Chevy and GMC squarebody trucks (C10, K10, and beyond). Whether you are performing a modern engine swap or converting your existing V-belt system to a more reliable serpentine drive, this pulley is engineered for precise belt alignment and long-term durability.
Product Specifications:
Compatibility: Designed for standard GM 10SI/12SI alternators used in 1973-1987 Chevy/GMC trucks. Ideal for builders performing serpentine conversions.
Condition: Excellent condition. Precision-machined for a balanced fit to minimize vibration and maximize belt life.
Performance: Provides a secure grip for your serpentine belt, reducing slippage and ensuring your charging system runs efficiently under all conditions.
Shipping: We package our parts securely to prevent damage or surface scratches during transit. Fast, reliable shipping nationwide to the lower 48 states, with major service routes to California and Florida to get your build moving.
