APEXi Engine Metal Head Gasket Honda B16/18, 82mm - 814-H00X

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The A'PEXi metal headgaskets provide upgraded protection on high horsepower engines. Factory headgaskets cannot withstand the pressures of high output operation and often cause the engine to "blow." This condition is actually caused by a failure in the factory headgasket. A'PEXi recommends replacing the factory headgasket with a metal one before gasket failure causes more damage to the engine. The gaskets are all designed engine specific and provide a complete and secure seal.

Bolt-On Yes
Part Number

814-H001 : T=0.45mm

814-H002 : T=1.5mm

814-H003 : T=2.1mm

Engine B16A, B16B, B18C
Gasket Bore 82mm
Engine Bore Size (mm) 81mm (factory)
Gasket Thickness (mm)




Compression (A'PEXi Head Gasket)

814-H001 : B16= 11.0, B18= 11.3

814-H002 : B16= 9.8, B18= 10.1

814-H003 : B16= 9.2, B18= 9.6

Special Notes For High-Compression (NA) applications
WARNING: California Prop 65
Cancer & Reproductive Harm