heads

Does anyone have aftermarket exhaust headers on their 5.3 Alpha? I've been thinking about freshening up my 260,000-mile engine with a new set of these https://www.summitracing.com/parts/sum-ls210cath64 in the next year. And if I'm that deep into the motor, I'll get some better headers to go with...

I just picked up an 06 3.5l 5spd with 125K and am having some issues with the engine cutting out/stalling when driving. Most of the time it happens when I'm taking off from stand still, but sometimes while accelerating too. 1) when standing still, I let out the clutch, the rig starts to move...

Hey, I live in Hutchinson, ks. My wife and I would really enjoy getting an H3. I found a super clean 2006 deluxe hummer, 114,000 miles. $11,500. Radiator replaced but heads are stock. I checked the Vin and it is effected by the problematic heads. Do they have an update for the...