March Performance 25455 Ultra Drive 2 Serpentine System Small Block Chevy with A/C, Saginaw PS & Alternator

The March Performance 25455 Ultra Drive 2 is a complete, all-inclusive serpentine accessory drive system engineered specifically for Small Block Chevy engines. This kit replaces your outdated v-belt pulleys and brackets with a modern serpentine setup that eliminates belt slippage and belt-throwing while delivering a clean, professional underhood appearance.

Configured for use with A/C, Saginaw Power Steering, and Alternator, the 25455 includes everything needed for a full serpentine conversion in one box. The system features a 140-amp CS130 alternator, Sanden 7176 A/C compressor, reverse-rotation water pump, spring-loaded tensioner, and a Saginaw-style power steering pump. Matching billet pulleys, brackets, mounting hardware, and A/C fitting are all included.

Key Features:

• All-inclusive serpentine conversion kit — pulleys, brackets, accessories, and hardware included
• CNC machined from solid 6061-T6 billet aluminum for high strength and precision fit
• Maintenance-free clear powder-coat finish — no polishing required
• Spring-loaded belt tensioner for consistent belt tension and reduced maintenance
• Compatible with Saginaw keyway-style power steering pump
• Includes 140-amp CS130 alternator and Sanden 7176 A/C compressor
• Reverse-rotation water pump included for improved cooling
• Eliminates belt slippage and belt-throwing common with v-belt systems
• All necessary mounting hardware and detailed installation instructions included

Backed by March Performance's Lifetime Warranty, the Ultra Drive 2 system is ideal for street rod, muscle car, and custom engine builds where a clean, reliable, and high-performance accessory drive is a priority.