HKS Stopper Type Head Gasket – BRZ 86 FRS t=0.5 Naturally Aspirated

Description

Part #: hks23001-AT002

(Structure Comparison)

　　　NA　t=0.5

　　　* Compared to stock, bore seal is independent and has higher seal surface pressure,
　　　　 therefore same amount of stopper, bore seal is stronger.
　　　 * Thinner than stock and compression ratio is 0.1 higher

The durability of the bore seal of this gasket t=0.5mm for NA engine is improved, and the compression ratio increase compared with the stock that makes this gasket ideal for one-make race. (This gasket can be installed to a supercharged engine.)
Compression Ratio
Stock Thickness: t=0.6mm (ε12.5) HKS Thickness: t=0.5mm (ε12.6)