PAC Racing Springs 400 Series Titanium Valve Spring Retainer - 0.795 in / 0.517 in OD Steps - Single Spring - Ford Modular (Set of 16) RSI63-616474021B Dash (for the "Dual Duct

Dash (for the "Dual Duct Inside The Rail" hood)

1977-1980 Oldsmobile 98

Custom ECU calibrations engineering

1980-1980 Oldsmobile Custom Cruiser

the SB044 is cold formed to better resist torsional fatigue and retain its "memory" far longer than the hot-formed bars used by many competitors

PAC Racing Springs 400 Series Titanium Valve Spring Retainer - 0.795 in / 0.517 in OD Steps - Single Spring - Ford Modular (Set of 16) RSI63-616474021B Dash (for the "Dual DuctProduct Description: Valve Spring Retainer 400 Series 0. 795 in 0. 517 in OD Steps Single Spring Titanium Ford Modular Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight