These bolts basically clamp the cylinder head down onto the engine block. They create a super strong, airtight seal. It’s not just about holding things together though, they actually pull the head down onto the gasket, squeezing it to prevent combustion gases – that’s the stuff from burning fuel – from escaping. They need to withstand a lot of heat and pressure, cycle after cycle. Think of the cylinder head as the engine’s “top end” where the valves and combustion happen. These bolts are what physically attach that top end to the main body of the engine. Without them, everything would be loose, and you wouldn't get any power, plain and simple. It's a fundamental connection. They work alongside the head gasket – which seals everything – to keep oil and coolant where they need to be too. These aren’t bolts you want to mess with or reuse. They’re designed to stretch once when they’re tightened to the correct specification. After that, they’re permanently deformed, even if they look fine. If you try to reuse them, they won't provide the same clamping force, and you’ll likely get a blown head gasket. That means loss of compression, overheating, coolant mixing with oil – a whole mess of problems. It’s a relatively small cost for a whole lot of peace of mind. You’ll notice if one fails – usually with a loss of power, overheating, or even white smoke from the exhaust. We carry a lot of different sets, and you can find something for your vehicle over at Fixparts Online, but the main thing is getting a fresh set when you're doing head work. Choose quality: Cylinder Head Bolt Set (MPN ADG07821) has a 12-month warranty!

About Blue Print

Offering exceptional aftermarket solutions, Blue Print is synonymous with reliability and precision for global automotive needs.

Why Choose Blue Print?

• We offer a really wide range of parts, so you're likely to find what you need all in one place. • Blue Print parts are made to the same quality as original equipment, without the high price tag. • We're known for our reliable delivery – getting your parts to you quickly is a top priority. • Our team has years of experience and can help you find the correct part for your vehicle, every time. Drive with confidence – choose Blue Print parts at FixParts Online.