PAC Racing PAC-1427-16 Conical BBC Valve Springs 1.454 OD

PAC Racing designed these PAC-1427-16 Valve Springs for Stock Eliminator Big Block Drag Racing applications. These 1400 Series springs are for racing specialty and class specific applications and 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-1427-16 Valve Springs Specs:

• Number of Springs Per Valve: Single
• Valve Spring Style: Conical
  
• Maximum Valve Lift: 0.625 in.
• Outer Diameter of Outer Spring: 1.454 in.
• Inside Diameter Large End: 1.000 in.
• Inside Diameter Small End: 0.650
  
• Installed Height: 1.850 in.
• Coil Bind Height: 1.190 in.
• Spring Rate: 500 lbs./in.
• Spring Open Height: 1.250 in.
• Spring Open Load: 500 lbs.
• Load At Installed Height: 200 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!