Edelbrock Sure Seat Valve Springs 5814 dt20 12" with a volume ratio

12" with a volume ratio of 2:1 between the primary and secondary chambers

Manufacturer's Part Number: VHX-86J-WAG-S-R

Stainless Steel Valve Seat

Being a 304 stainless steel it can withstand extreme heat and is high strength compared to the standard alloy fitting which can break over time in racing applications

drag race applications

Edelbrock Sure Seat Valve Springs 5814 dt20 12" with a volume ratioBrand: Edelbrock Manufacturer's Part Number: 5814 Part Type: Valve Springs Product Line: Edelbrock Sure Seat Valve Springs Automotive Fittings Part Number: EDL 5814 UPC: 085347058143 Valve Spring Style: Standard Number of Springs Per Valve: Single Retainers Included: No Outside Diameter of Outer Spring (in.): 1. 250 in. Coil Bind Height (in.): 1. 160 in. Damper Spring Included: No Spring Rate (lbs in.): 357 lbs. in. Inside Diameter of Outer Spring