Crower High Compression Piston

With a 13.5:1 compression piston, would i have to run race gas, if I do, how high of compression piston can i go without running race gas?:applause:

In case you want to know, im looking at the Crower High comp. piston.

you dont need race gas for 13.5:1 92 pump gas will be good

once you get to 14:1 then you need race gas


thanks bra

No race gas needed for the 13.5-1 piston...

Personally I would go with the JE 13.5-1 piston. $150 at the TT store :applause:

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