APEXi® Metal Cylinder Head Gasket (814-H102) 18475 Fits most Ford And GM

Fits most Ford And GM Chevy stock or aftermarket cylinder heads that utilize the factory 3/8"-16 thread pitch and a 3/4" under head length

2018 Toyota 4Runner Base 4

Dyno Proven gains of up to 13 hp and 14 lb-ft

7 2013 INFINITI G37 Engine: 3

Available with or without onboard 20 Hz GPS receiver and antenna

APEXi® Metal Cylinder Head Gasket (814-H102) 18475 Fits most Ford And GMMetal Cylinder Head Gasket (814 H102) by APEXi. The APEXi 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. APEXi recommends replacing the factory headgasket with a metal one before gasket failure causes more damage to the engine. The gaskets