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Specifications:
Manufacturer Part Number:PH306
Warranty:1 Year
Surface Finish:COPPER / INLAY
Brand: Aftermarket
Features:
1. Fits all Small Block Chevy 283-327-350-383-400 engines.
2. Made of copper.
3. Reusable, no sealant required.
4. Seal perfectly every time by creating a tight leak proof seal by using a clad o-ring design that will last.
5. Fits all Small Block Chevy engines oval port.
6. These gaskets provide an excellent seal & we guarantee it.
7. Package: Including all items in the picture.
Note: Professional Installation is Highly Recommended.
Jerry Holmes
Reviewed in the United States on March 21, 2025
Came on time and the right items thanks
Andrew
Reviewed in the United States on September 22, 2024
Overall really not bad for the price. These are dimensionally correct in terms of port location and size as well as bolt hole location. They are a true laminate/multi-layer gasket and have a decent blend of flexibility and conformability while still being stiff enough. Are they actually copper? Not a chance given the price, more likely some type of copper coating but at the end of the day they work.
Aliviana York 2.0
Reviewed in the United States on September 13, 2024
it's got a composite material core sandwiched between layers of copper, the exhaust ports are clad in copper to prevent blow-outs, but it's not 100% solid copper.This is a good style of gasket to run with headers because you can re-tighten the exhaust bolts and you can reuse the several times, they won't stick to the heads/manifolds and tear apart when removed.Down side: I'm not a fan of how they were just stuck in a big zip lock bag for shipping. That really leaves them easily damaged in shipment. One end of mine, at the very outter bolt holes, were a little banged up, not enough to effect thier function, but still not idea either. Others come stuck to a piece of cardboard which helps protect the gaskets.They are nice gaskets and perform a lot better than the fiber/aluminum exhaust manifold gaskets that come in the full engine gasket kits. I Approve.I Hope My Review And Pictures Were Helpful To You !!
Jayne Hunter
Reviewed in the United States on November 4, 2024
These worked WAY better than the composite gaskets that came with my shorty headers. Those bent easily and left so much gap, my truck sound like a rock concert rolling down the street. I threw these on and now I have a quieter ride with no leaks and even better performance. Totally recommend these over composites.
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