- BRAND NEW HEI DISTRIBUTOR ADVANCE CURVE KIT
- FITS ALL '74-'79 GM HEI DISTRIBUTORS EXCEPT COMPUTER CONTROLLED
- INCLUDES EVERYTHING PICTURED
- INCLUDES: 2 WEIGHTS, 1 CENTER PLATE, 3 SETS OF COLOR CODED SPRINGS (SEE BELOW) & 2 PAIR OF NYLON BUSHINGS
- 3 SETS OF ADVANCE SPRINGS ARE USED TO ADJUST THE RATE OF SPARK ADVANCE AS FOLLOWS
- BROWN = QUICK
- SILVER = SUPER QUICK
- COPPER = ULTRA QUICK
Our HEI advance curve kits are designed for use on all non-computerized GM type HEI distributors.
The kits include two weights, a center plate, three sets of color-coded springs, and nylon bushings