Head Studs & Gaskets for the Ford Power Stroke

ARP head studs, head gasket sets, and top-end sealing hardware — the fix for blown 6.0 head gaskets and the foundation of any high-boost Power Stroke build.

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Head gaskets and head studs are the defining Power Stroke conversation, and it's really a 6.0 conversation. The factory torque-to-yield head bolts stretch, and once cylinder pressure climbs — from a tune, from a plugged EGR cooler, or from age — the heads lift and the gaskets go.

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Head Studs & Gaskets for the Power Stroke: what to know before you buy

The core decision is TTY bolts versus ARP studs. Factory-style bolts are the correct choice for a stock truck being returned to stock condition; studs clamp harder and are what owners fit when they intend to add power or never do the job again. Either way, the job is only as good as the machine work and the cooling system that goes back with it.

This category is largely an eBay Motors market — ARP stud kits and OEM gasket sets for older applications live there — while the supporting parts you'll want on the bench (turbo mounting hardware, boots, filters, standpipes) are stocked new on Amazon Automotive.

Fitment by engine

Engine	What's different
7.3L (1994.5–2003)	Rarely needs studs. The 7.3's factory head bolts hold up at stock and moderate power levels; studs are a build decision, not a repair most owners face.
6.0L (2003–2007)	The engine everyone means. Note that 6.0s use different head-gasket configurations across the production run (commonly referred to as 18mm and 20mm), so the gasket set must match your engine — verify before ordering. Studs are the standard fix when the heads come off.
6.4L (2008–2010)	Head studs are a big-power upgrade rather than a routine repair. Cylinder pressure from aggressive tuning is what pushes owners here.
6.7L (2011+)	Same story as the 6.4: studs are a high-horsepower build item. A stock or lightly-tuned 6.7 is not a head-gasket engine the way the 6.0 is.

Before you buy

Verify which 6.0 head-gasket configuration your engine takes before ordering — the sets are not interchangeable.
Decide TTY bolts vs. ARP studs based on your power plans, not on price alone.
Follow the manufacturer's supplied torque sequence and lubricant; this is not the place to improvise.
Plan the machine work — heads off means checking flatness and condition, not just swapping gaskets.
Do the oil cooler, EGR cooler, and coolant service in the same job; the cooling chain is usually what lifted the heads.

Go deeper

Related categories

Parts and systems that work together on a Power Stroke.

Head Studs & Gaskets: common questions

Do I need head studs on a stock 6.0 Power Stroke?

Not automatically. Plenty of stock 6.0s run for years on factory bolts when the cooling system is healthy. But if the heads are already coming off, or you plan to tune the truck, studs are the sensible time-and-money decision — you're paying for the labor either way.

What's the difference between 18mm and 20mm 6.0 head gaskets?

They refer to different head-gasket/dowel configurations used across the 6.0's production run. The practical point for a buyer is simply that they are not interchangeable — you must confirm which your engine takes before ordering a gasket set. Our head studs and gaskets guide walks through how owners identify theirs.

Can I install head studs without pulling the cab?

It's done both ways. Many shops pull the cab on a 6.0 because it makes the job dramatically easier and safer to do correctly; others do it in the truck with more time and more difficulty. The deciding factors are your access, tooling, and how thoroughly you want to inspect everything else while you're in there.