Red Top Optimas are the best Ive ever owned. I have a big stereo system in my truck, and the ALt went before the batteries. But it was just the sylenoid. I would get them if your running aftermarket products like stereo w/amps, and subs, or lights in or out of the truck.
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2001 GMC Sierra 2500HD CCSB 4x4 Duramax/Allison
EFI Live/ DSP5 "MAX EFFORT" thanks to Rob Coddens
Built Trans, Bank's Ram Air Intake, Big Head Wastegate, Banks Intercooler, PPE Boost Valve, Ported Intake Horn, Shimmed FPRV, FASS 150 Lift Pump, 40 overs, Optima RedTops,
20" Forged Alluminum WELD's 33's Nitto Trail Grapplers
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