· Victory Lap GMA-01 repairs GM/Delco 10, 12, 15, 17 SI series 40-65 amp. Alternators that are used in most 1962 to 1992 GM cars, light trucks and many ag. & Industrial units. · The Kit contains the parts required to do a quality repair at the best price possible. All parts are new and of OEM spec. for a perfect fit and original performance. · The Regulator and Diode Trio in the Delco “SI” series alternator are the most often parts to fail. Therefore, this kit contains a HD Regulator to assure long-life. · Easy to follow instructions makes for an easy repair with common DIY tools. Great “first time” auto repair project. · Illustrated instructions in Spanish, English and French are included.