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- Serpentine Pulley Kit
- Underdriven
- Focus ZX3/5 2.0L Zetec
Improves performance by reducing horsepower required to drive accessories. Pulley anodized Ford Racing blue with Ford logo. Kit contains new, lightweight aluminum crankshaft pulley and accessory belt.
NOTE: May require minor modification to front cover.
- Contains brilliant blue-finished steel crankshaft, water pump and alternator pulleys, plus bolts and installation instructions. Reduces accessory drive rpm by 14% for water pump and 22% for alternator to significantly improve performance. Use with production serpentine belt.
Pictured: #397-M8509-A50 
Product LineFord Performance Underdrive Pulley Kits
BrandFORD PERFORMANCE
Package Height3.7
Package Width5.9
Package Length9.0
Weight0.95 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
