Manley Spring/ Retainer/ Spring Cup Set (requires locks)

MANLEY Valve Spring Locator, Inside, Heat-Treated, Fits 1.324 in. OD. Spring, .505 in. ID, 1.3 in. OD, .035 in. Thick, Black, Set of 16

23618-16 
MANLEY Valve Spring Retainer, Titanium, 7 Degree, +.050 in. Height, 1.324 in. OD, Set of 16

221421-16
MANLEY Valve Spring, NexTek, Drag Race, 1.324 in. OD, 435 lbs./in. Rate, .900 in. Coil Bind Height, Double, Set of 16