Description
Advance Curve Kit; 57-75 GM/Delco Non-HEI Distributors; Incl. 3 Advance Spring Sets/Instructions; • "Recurve" your distributor for full spark advance at the optimum RPM
• Three sets of advance springs allow you to adjust the rate of spark advance
• Weights and centerplates precision stamped with smooth edges eliminate erratic timing
• Comes with complete installation instructions
• Three sets of advance springs allow you to adjust the rate of spark advance
• Built-in stop prevents the adjustment screw from "backing out" like other designs
• Weights and centerplates precision stamped with smooth edges eliminate erratic timing
• Comes with complete installation instructions