Collector's Item Pac Racing Pac-1218-16 Ls Beehive Valve Springs 1.290 Od [must See] [OiNf3790]

PAC Racing designed these PAC-1218-16 Valve Springs for Gen III/IV LS engines. 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-1218-16 Valve Springs Specs:

• Number of Springs Per Valve: Single
• Valve Spring Style: Beehive
• Maximum Valve Lift: 0.600 in.
• Outside Diameter: 1.290 in.
• Outer Spring ID: 0.885 in./0.650 in.
• Installed Height: 1.800 in.
• Coil Bind Height: 1.140 in.
• Spring Rate: 313 lbs./in.
• Spring Open Height: 1.200 in.
• Spring Open Load: 318 lbs.
• Load At Installed Height: 130 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!