Ford 2.3 Serpentine Under Drive Pulley Kit

Superior Design & Engineering:

• Innovative 4.5" water pump and 2.5" crank pulley combination
• Optimized serpentine 4-groove design (belt included)
• FEA (Finite Element Analysis) validated and track-tested
• Perfect for high-revving engine applications

Premium Materials & Construction:

• Aerospace-grade 7075 aluminum construction (58% harder than competitors' 6061)
• PTFE-enhanced hard anodized coating for superior wear resistance
• Premium ARP 12-point mounting hardware included
• Precision machined for perfect fitment

Exclusive Features:

• Industry-exclusive pilot bushing included for 5/8" water pumps
• Compatible with both 5/8" and 3/4" pilot water pumps
• Complete hardware kit with ARP 12-point fasteners
• Comprehensive installation kit - everything you need included

Performance Benefits:

• Reduced parasitic power loss
• Significant rotating mass reduction compared to stock
• Optimized water pump speed for high-RPM applications
• Superior strength-to-weight ratio versus competitor offerings

Technical Advantages:

• Professional-grade 7075 aluminum (150 Brinell vs 95 Brinell for 6061)
• Dual-pattern compatibility with included bushing
• Engineered and validated through FEA testing
• Track-proven design and performance

What's Included:

• 4.5" Water Pump Pulley
• 2.5" Crankshaft Pulley
• 4-Groove Serpentine Belt
• 5/8" Pilot Bushing
• Complete ARP Hardware Kit
• Installation Instructions

Designed for:

• High-performance street builds
• Track/race applications
• High-RPM engines
• Professional race teams

 Why settle for outdated V-belt technology when you can upgrade to our modern serpentine system?