Shopping Cart

Your cart is empty.

Your cart is empty.

JEGS HEI Advance Curve Kit | Fits 1974-1979 GM (Without Computer) | Includes Center Pivot Plate, 3 Sets Of Advance Springs | 2 Advance Weights | 2 Pairs Of Nylon Bushings

Free shipping on orders over $29.99

$7.99

$ 3 .99 $3.99

In Stock
  • DESIGNED FOR coil-in-cap distributors in GM V8 engines without computer control
  • OPTIMIZES IGNITION TIMING for maximum horsepower and acceleration
  • INCLUDES a unique center pivot plate, six advance springs (to customize how quickly full advance is reached), two advance weights, four nylon bushings, and instructions
  • EASY-TO-INSTALL by removing the distributor cap and rotor and swapping the weights, springs, and nylon bushings
  • FITS GM non-computer-controlled vehicles from 1974-1979


HEI Advance Curve Kit
Fits:1974-1979 GM (without computer)
Includes:(1) Center Pivot Plate(3) Sets of Advance Springs(2) Advance Weights(2) Pairs of Nylon Bushings


Bill R
2025-08-30 11:47:56
Shipping was prompt and price was great.
Peter Coronado
2025-02-15 12:47:18
Perfect for the engine !