Speedmaster Billet Supercharger 4" Idler Pulley Universal 3" Wide Belt PCE152.1002

The Speedmaster PCE152.1002 is a precision-engineered billet supercharger idler pulley designed to maintain proper belt tension and alignment in high-performance engine setups. Built from billet aluminum, this 4" diameter pulley is universally compatible with 3" wide belts, making it suitable for custom engine builds, supercharger installations, and performance drive systems that require reliable idler pulley performance.

This idler pulley functions as a critical component in supercharger belt-drive systems by reducing vibration, supporting belt tension, and enabling smooth operation under demanding conditions. The billet construction provides superior durability and precision compared to cast alternatives, ensuring long-term reliability in racing, hot rod, and modified engine applications. Universal fitment allows integration into a wide range of engine configurations where 3" wide belt compatibility is required.

Key Features & Benefits

• 4" Diameter Billet Pulley: Precision-engineered 4-inch diameter idler pulley manufactured from billet aluminum for strength and accuracy.
• 3" Wide Belt Compatible: Designed specifically for use with 3-inch wide belts in supercharger and drive systems.
• Universal Fitment: Works across multiple engine configurations and custom builds requiring idler pulley replacement or installation.
• Billet Construction: Aluminum billet material provides superior durability, precision, and reliability compared to cast alternatives.
• Performance-Grade Design: Built for high-performance applications including supercharger systems, racing, and modified engines.

Specifications

Ideal Applications

• Supercharger belt-drive system idler pulley replacement or upgrade
• High-performance engine builds requiring precision idler pulleys
• Custom racing and hot rod engine installations
• Modified engine configurations with 3-inch wide belt systems