PAC Racing PAC-1225-16 Drag Race Valve Springs 1.550 OD

PAC Racing designed these PAC-1225-16 Valve Springs for Drag Racing applications. These 1200 Series springs are manufactured from a premium alloy that outperforms automotive industry standards. PAC Racing processes these springs to aerospace shot-peening standards to allow for superior fatigue performance.

PAC Racing's proprietary process ensures that these valve springs will withstand the rigors of street performance and mild racing applications.

PAC Racing PAC-1225-16 Valve Springs Specs:

• Number of Springs Per Valve: Dual
  
• Valve Spring Style: Standard
• Maximum Valve Lift: 0.800 in.
• Outside Diameter: 1.550 in.
• Outer Spring ID: 1.100 in.
• Middle Spring ID: N/A
• Inner Spring ID: 0.788 in.
• Installed Height: 2.000 in.
• Coil Bind Height: 1.150 in.
• Spring Rate: 644 lbs./in.
• Spring Open Height: 1.200 in.
• Spring Open Load: 765 lbs.
• Load At Installed Height: 250 lbs.
• Damper Spring Included: No
  
• Retainers Included: No
• Valve Springs Coated: No
• Valve Stem Seals Included: No
• Locks Included: No
• Quantity: Sold as a set of 16

PAC: The World’s Premier Valve Spring Manufacturer!