There is nothing quite like taking a built truck out on the trails once the snow melts and the dirt dries out. Keeping that rig running right means taking care of the suspension, but a proper performance lift kit is a serious chunk of change. Shops usually see a slower trickle of customers in the late winter, making it the best time to ask about unadvertised installation deals before the spring rush hits.
We need to talk about how you are actually going to pay for the parts and the labor without draining your main checking account. Negotiation happens face-to-face with the shop on the hardware and the install hours, while financing is just a tool to smooth out the cash flow. Keep those two conversations totally separate so you do not get confused by monthly payment math while you are haggling over the price of the parts.
Just remember that the 0% intro APR for 15 months on purchases and balance transfers is a hard deadline, not free money. If you still have a balance left on the card when those 15 months are up, the standard interest rate kicks in on the whole original amount, which can get expensive fast.