PAC Racing designed these PAC-1246 Valve Springs for Drag Race 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-1246 Valve Springs Specs:

• Number of Springs Per Valve: Triple
  
• Valve Spring Style: Standard
• Maximum Valve Lift: 0.800 in.
• Outside Diameter: 1.645 in.
• Outer Spring ID: 1.195 in.
• Middle Spring ID: 0.871 in.
  
• Inner Spring ID: 0.635 in.
• Installed Height: 2.050 in.
• Coil Bind Height: 1.130 in.
• Spring Rate: 689 lbs./in.
• Spring Open Height: 1.250 in.
• Spring Open Load: 801 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!