Howards Valve Spring Set 98515; Stock Diameter Perf Single, 100 lbs @ 1.88 in.

Howards Cams 98515 Stock Diameter Single with Damper 1.510 Valve Spring Set

Howards 98213 Performance Single w/Damper 1.265 Valve Spring Set

Howards for Stock Diameter Performance Single with Damper Valve Springs 1.510

Howards Valve Spring Set 98218; Performance Single, 125lbs @ 1.800, 1.265 OD

Howards Cams 98515 Performance Valve Spring Set OD: 1.510 in. ID: 1.110 in. Seat

Howards Racing Components 98515 Single Valve Springs - 1.510

Howards Valve Spring Set 98213; Performance 120 lbs @ 1.8 in. Single, 1.265 OD