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ESP "High-Rev" Modified Zenoah G320RC / G320PUM 38mm Piston from Earth Surfer Products.
New for 2018 is the ESP 38mm High Rev Piston (G320/G340 engines).
The piston gives your exhaust port 5.5 more degrees duration, which helps high rpm power, with very little compression loss. Fits stock and ported engines both RC air cooled engines and G320PUM marine water cooled engines. If you modify your own engines, you can also get a custom cut piston with a maximum 7.5 degree exhaust duration, and a intake duration cut to what ever you want. You would contact Doug @ ESP directly for custom High Rev pistons, and are available in 34mm, 36mm and 38mm piston sizes. You can also get light weight pistons for the 34mm and 36mm size Zenoah pistons.
Thanks for using my stuff. I appreciate it much.
Doug @ ESP
616-458-8103 (EST Zone)
New for 2018 is the ESP 38mm High Rev Piston (G320/G340 engines).
The piston gives your exhaust port 5.5 more degrees duration, which helps high rpm power, with very little compression loss. Fits stock and ported engines both RC air cooled engines and G320PUM marine water cooled engines. If you modify your own engines, you can also get a custom cut piston with a maximum 7.5 degree exhaust duration, and a intake duration cut to what ever you want. You would contact Doug @ ESP directly for custom High Rev pistons, and are available in 34mm, 36mm and 38mm piston sizes. You can also get light weight pistons for the 34mm and 36mm size Zenoah pistons.
Thanks for using my stuff. I appreciate it much.
Doug @ ESP
616-458-8103 (EST Zone)