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***Sold as a set of 16. No extras are included, just springs.
BTR SP015-16 Valve Springs are just like GM 12499224. They are popular for most low-lift LS camshafts.
You can reuse your factory retainers/keepers. Seal replacement is recommended if you have high mileage. These will use the stock "top hat" style seals which sandwich between the head and the spring.
Valve Spring Style:
Beehive
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.560 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.290 in.
Coil Bind Height (in.):
1.170 in.
Damper Spring Included:
No
Rate specs:
90lbs @ 1.800
300lbs @ 1.230
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Remanufactured:
No
Quantity:
Sold as a set of 16.