Moroso GM Standard Ignition Advance Curve Kit - Advance Curve Kit - All 1957-75 GM/Delco Non-HEI Knurled Head Plugs Does not work on manual

Does not work on manual shifting models

*Purpose:* For popular vehicles with high registrations or a history of spring fatigue * Ready to install * No spring compressor required * Problem solver: quicker and easier*What's Included:* * KYB Excel-G Strut * KYB Coil Sp

When purchasing a Cometic gasket kit

Brodix SR20 Head

Head works with pistol-grip and other heated sipers that accept a

Moroso GM Standard Ignition Advance Curve Kit - Advance Curve Kit - All 1957-75 GM/Delco Non-HEI Knurled Head Plugs Does not work on manual"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 from quick, to super quick, to ultra quick Weights and centerplates precision stamped with smooth edges eliminate erratic timing Comes with complete installation instructions Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance