HEI Distributor Cap Rotor 65K Coil Cover Red Upgrade Kit It also features nitrous bosses

It also features nitrous bosses and rear water ports

capable of withstanding valve spring load up to 600lbs

reduce stretching and prevent the belt from slipping

Speedmaster billet aluminum oil pumps provide more volume

This body has a much larger diameter then your existing throttle body

HEI Distributor Cap Rotor 65K Coil Cover Red Upgrade Kit It also features nitrous bossesSpeedmaster offers these HEI Upgrade kits for your stock distributor, which feature color matched components an industry first! They include an alkyd distributor cap with brass terminal connections, a rotor, a matching coil cover, a cable retention ring, and a high performance, low resistance, carbon to coil rotor conductor. Can also be used to update your aftermarket distributor if you just need a tune up kit.