Direct Replacement Buick Turbo 3.8L V6 Valve Spring by Competition Cams.
Valve springs are one of the most critical and overlooked components in your engine. They must be matched to your cam in order for the engine to reach its full potential. It does absolutely no good to install a cam that will perform up to 8,000 rpm if you do not have the correct springs. Use the only valve springs that will give the recommended spring pressure with the valve both on the seat and at maximum lift. COMP Cams valve springs are offered in single and dual styles to meet their cam requirements.
Inside Diameter (in.)
0.876
Coil Bind Height (in.)
1.15
Outside Diameter (in.)
1.23
Open Height (in.)
1.25
Installed Height (in.)
1.7
Open Pressure (lbs.)
229
Spring Rate (lbs./in.)
308
Installed Pressure (lbs.)
91
Camshaft Type
Hydraulic
Camshaft Type
Mechanical
Spring Type
Single
Position
Outer
Coated
No
Damper Spring Included
Yes
Inside Diameter of Outer Spring (in.)
0.876
Number of Springs Per Valve
Single
Outside Diameter of Outer Spring (in.)
1.23
Quantity
Sold as a set of 12
Spring Rate
308 lbs./in.
Valve Spring Style
Standard
Manufacturer's Part Number:
980-12
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