Features & Benefits

Designed to fit all GM HEI distributors with E clips. The kit includes two weights, special center plate, three sets of color coded springs and two pairs of nylon bushings. Also, included is a comprehensive instruction sheet, complete with graphs showing typical advance rates using various spring/weight combinations. Fits GM HEI distributor, 1974 to 79 W/o engine computer.

• Provides full advance between 2,000 and 2,800 rpms
• You get maximum power and engine acceleration
• Contains all required weights, springs and bushings
• See catalog for related products and complete applications
• These curve kits allow your distributor to reach full advance more quickly (between 2,000 and 2,800 rpm), delivering maximum power and engine acceleration.