stock raider 2.6 alt is 40 amps.if you get a 88 or 89 starion alt for the intercooled turbo it is 75 amps and it bolts right in.i love my alt.i have one on my brothers 87 monty also.

87 dodge power ram 50,35" tires,5 1/2" total lift,4.6 gears,lockers front and rear,Rancho RS5000's,custom front bumper,custom rock sliders,cct extended diff breathers,75 amp alt(40 amp stock),thorely header,K&N,wheeled hard...