best header gasket for leaky headers

It’s incredible how a small gasket can make or break your engine’s performance. As someone who’s personally tested dozens of options, I can tell you that durability and sealing power are everything. I remember battling leaks that would cause overheating and decreased power—until I found a gasket that handles the heat and pressure without shrinking … Read more

best header gasket for leaky headers bbc mark iv

The constant annoyance of leaky headers on your BBC Mark IV is finally addressed by a gasket that actually seals under heat and pressure. Having tested dozens, I can tell you that some gaskets just don’t cut it—either they blow out early or don’t handle the heat well. After hands-on experience, the Mr. Gasket – … Read more

best header gasket for chevy 350

The first thing that struck me about the Creative.C SBC Header Gaskets, Oval Port Copper Exhaust wasn’t just its copper construction but how solidly it sealed during testing. As someone who’s replaced countless gaskets, I can tell you that a leak-proof seal is what keeps your engine running smoothly and efficiently. These gaskets feature a … Read more

best header bolts and gaskets

When consulting with mechanics about their go-to header bolts and gaskets, one thing they all stress is durability and ease of installation. I’ve personally tested a variety, from simple bolt sets to full gasket kits, and the winner for serious performance and reliability is the Michigan Motorsports LS Exhaust Manifold Gasket Pair. It feels solid … Read more

best head gaskets sealant for aluminum heads

The landscape for head gasket sealants really changed when products like Bar’s Leaks HG-1 HEAD SEAL entered the picture. Having tested many products myself, I can tell you this one stands out for aluminum heads. It’s designed to quickly seal blown or cracked gaskets without draining coolant or removing parts — a huge time-saver during … Read more

best head gaskets sti

Holding the IAG Performance Fire-Lock 2.5L Head Gasket in my hands, I was struck by its solid, layered composite material and tight-fitting fire rings—these aren’t your average gaskets. After testing on high-boost EJ25 engines, I can tell you this gasket delivers a remarkable seal, even under intense conditions. Its silicone beading around water and oil … Read more

best head gaskets for v8 to stop persistent antifreeze leak

The constant annoyance of antifreeze leaks from a V8 engine is finally addressed by a product I’ve personally tested and trusted. After battling ongoing leaks that caused overheating and costly repairs, I found that the Permatex 30300 Head Gasket Repair Stop-Leak really works. It’s easy to use—just mix it with your coolant—and it instantly forms … Read more

best 6.0 head gaskets

The landscape for 6.0 head gaskets changed dramatically when MLS (Multi-Layer Steel) technology entered the picture. Having tested multiple sets myself, I can tell you that the key is durability and sealing ability under high pressures. The Michigan Motorsports LS2 6.0L MLS Head Gaskets 4.020″ Pair stood out for its solid construction and compatibility with … Read more

best head gaskets for small block mopar

This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates the importance of precision engineering. I’ve tested both these head gaskets on various small block Mopar engines, and the FEL-PRO HS 26423 PT Cylinder Head Gasket Set for Ram 1500 clearly outshines the competition. It offers a layered steel construction that handles … Read more

best head gaskets for sbc

As the crisp fall air approaches, you start thinking about your engine’s health, and a reliable head gasket becomes essential. Having tested multiple options myself, I can tell you that the right gasket makes a big difference in sealing and durability. I’ve found that the FEL-PRO 1003 Engine Cylinder Head Gasket offers a superior seal, … Read more