12A / 13B MAZDA ROTARY ENGINE - FULL 1/2" STUDDED - TENSION BOLT WASHER SEAL SET - i-EVO.COM FOR USE WITH UNLEADED “STREET

FOR USE WITH UNLEADED “STREET FUELS”

TO SUIT ALL MAZDA / COSMO 20B MAZDA ROTARY ENGINES USING AFTERMARKET HALF INCH 1/2" STUDS

MAZDA OEM PART NUMBER 0839-10-455

FOR USE WITH ETHANOL FLEX / ALCOHOL “RACE FUELS”

Front cover o ring with ptfe support

12A / 13B MAZDA ROTARY ENGINE - FULL 1/2" STUDDED - TENSION BOLT WASHER SEAL SET - i-EVO.COM FOR USE WITH UNLEADED “STREETSUIT FULL 1 2" STUDDED BLOCKS Mazda 12A 13B 20B TENSION BOLT WASHER SEAL SET (18x WASHERS PER PACK) TO SUIT ALL MAZDA 12A 13B COSMO 20B MAZDA ROTARY ENGINES USING AFTERMARKET HALF INCH 1 2" STUDS Mazda OEM NF01 10 E55A FACTORY STANDARD OPTIONS ALSO AVAILABE.