Replaces and upgrades stock External Coil HEI (high energy ignition) distributors found in 1987-1995 GM Cars and 1987-1995 GM Trucks with Chevy V8

Computer controlled

Small block and big block

Requires external coil

Make HEI red cap

Steel gear

Billet aluminum body with machined base for an accurate fit

Fully compatible with flat tappet and hydraulic roller cams

Includes cap with brass terminals for improved conductivity, rotor, and high-rpm control module

Will Not Fit GM LT1 or LT4 applications

This distributor comes with a .430 in. Diameter Shaft