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)

The combination of these two components produces an intense spark that is unmatched by stock HEIas and other aperformancea ignition systems

1977-1980 Oldsmobile 98

3 in Scoop

Custom ECU calibrations engineering

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