1700-1800

These springs return the valves back to their seats. You can use your old springs, but make sure that you check them with a spring gauge to see if they still have the same tension. Heavy duty springs are recommended for high RPMs and steep cams. Dual springs are for the race tracks, not the street.
021 109 623E: $6.25

With hydraulic lifters

2000

These springs return the valves back to their seats. You can use your old springs, but make sure that you check them with a spring gauge to see if they still have the same tension. Heavy duty springs are recommended for high RPMs and steep cams. Dual springs are for the race tracks, not the street.
021 109 623K: $3.95

Valve keeper

40hp-1600

These springs return the valves back to their seats. You can use your old springs, but make sure that you check them with a spring gauge to see if they still have the same tension. Heavy duty springs are recommended for high RPMs and steep cams. Dual springs are for the race tracks, not the street.
113 109 651A: $0.40

Valve spring retainer

40hp-1600

These springs return the valves back to their seats. You can use your old springs, but make sure that you check them with a spring gauge to see if they still have the same tension. Heavy duty springs are recommended for high RPMs and steep cams. Dual springs are for the race tracks, not the street.
113 109 641B: $0.45

40hp-1600

These springs return the valves back to their seats. You can use your old springs, but make sure that you check them with a spring gauge to see if they still have the same tension. Heavy duty springs are recommended for high RPMs and steep cams. Dual springs are for the race tracks, not the street.
113 109 623C: $2.95