SPRINGS .685 BT EVO 84-04
Springs are made from super-clean, stress relieved chrome silicon wire
Provide excellent durability and resistance to load loss when using aggressive camshaft profiles
Includes unique 10° super keys and retainers
Wider key angle ensures a stronger assembly vs. the OEM 7° keeper angle
High-strength chromoly retainers
0.685" lift capable spring assembly
Kit fits 5/16" valve stems
184 lb.@1.850"
443 lb.@1.230"
1.510" OD 0.745" ID
Made in the USA