Collection: 20B MAZDA ROTARY ENGINE - O RING SEAL REBUILD KITS

High Performance Full Viton Seal Kit's. Aftermarket engine components for the 20B Mazda Rotary Engine - EUNOS JC 20B COSMO / BILLET NON OEM 20B ENGINES

Water Retention square ring seals engineered to suit the deeper water seal groove.

Note: These will not work in 1974 to 1985 engines with the smaller grooves.

i-EVO ~ HPVF-1 / HPVF-3 VITON FORMULA

Water retention inner and outer square ring water seals

Oil control inner and outer o ring seals

Dowel pin o rings

Oil pedestal mount o rings 

Front cover o ring with ptfe support

Rear stationary gear o ring

CAS o ring

Front main bolt o ring

Tension bolt washers, Mazda spec. ( not generic like others use )