Valve Spring - Professional Series - Dual Spring / Damper - 614 lb/in Spring Rate - 1.090 in Coil Bind - 1.550 in OD - Set of 16.
Manley 221424 16 Dual Engine Valve Spring
Manley Prof Series Dual Valve Spring 1.550 In Od 16 Pc P/N 22440-16
Manley Performance Products 1.550 H-11 Dual Valve Springs 22440-16
Manley 22431-16, Set of 16 Steel 1.550 Pro Dual Valve Springs Performance Parts
Manley 22407-16, Set of 16 Steel 1.437 Street Master Dual Valve Springs Performa
Manley 221424-16, Set of 16 Steel 1.640 Dual Valve Springs Performance Parts
