• Manley Performance Spring-1.640 Double 221425-16 Photo - Primary
  • Manley Performance Spring-1.640 Double 221425-16 User 1
  • Manley Performance Spring-1.640 Double 221425-16 Photo - out of package
  • Manley Performance Spring-1.640 Double 221425-16 User 1
  • Manley Performance Spring-1.640 Double 221425-16 User 2
  • Manley Performance Spring-1.640 Double 221425-16 User 3
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Manley

Manley Performance Spring-1.640 Double

Manley Performance Spring-1.640 Double

sku: 117H4 | mpn: 221425-16
$514.68
$514.68 $514.68
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Low stock: 1 left

Emissions

This is not an emissions item.
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NexTek Series Drag Race Valve Springs

  • Unequalled performance
  • All springs are triple except 221424 & 221425 double w/o damper
  • Manley eclipses the 1000 lb. barrier
  • Better valve train stability and component life
  • Ideally suited for Fuel and Alcohol classes, Pro Stock, Competition, Super Stock, Super Gas and Mountain Motor applications

Specifications

Maximum Valve Lift : .900"

Outside Diameter : 1.640"

Inside Diameter : .860"

Installed / Open Pressure : 280 @ 2.100 & 794 @ 1.250

Rate : 604

Coil Bind : 1.150

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