PAC Racing Springs 8 Degree Valve Lock - 11/32 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8131-16 122002 8 in Stroke

8 in Stroke

Uses stock Big Block Pickup

45 Degree Plug Boots

Stainless steel provides added strength over OEM fasteners

1977-1981 Ford Thunderbird

PAC Racing Springs 8 Degree Valve Lock - 11/32 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8131-16 122002 8 in StrokeProduct Description: Valve Lock 8 Degree 11 32 in Valve Stem Standard Height Steel Black Oxide 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 from traditional