Good used set of duel valve springs that were on Big Block Chevy heads. These springs & retainers have be cleaned, inspected & pressures tested.

Dimensions of the springs Outer OD 1.500 ID 1.095, Inner OD 1.055 ID .790.

Spring pressures

1.900 100lbs

1.800 130lbs

1.700 170lbs

1.600 220lbs

1.500 260lbs

1.400 320lbs

1.300 380lbs

1.200 450lbs

1.090 Coil Bind

The retainers are factory Big Block Chevy 3/8 7 degree locks.

Feel free to ask any questions.