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74-78 13B
74-78 Mazda 13B Rotary Engine Gasket Kits
Sort by:Recommended
74-78 13B Engine Gasket Kit (1757-89-100)
This kit will work for the 74-77 Repu & the 74-78 Rx4.
See below for gasket kit contents.
69-11 Rx7 & Rx8 Tension Bolt Washer Kit (0839-10-455)
13B/12A engines need 18 of these,
20B engines need 24 of these plus the 4 larger tension bolt seals available at the link below
If purchasing for a 20B application you will also need 4 of these other larger tension bolt seals.74-85 12A & 13B 3mm O-Ring Kit (ARE115)
Includes all the soft parts that typically need to be replaced on every rebuild as far as o-rings go.
See below for kit contents.
74-85 12A & 13B 3mm O-Ring Kit (ARE315)
Uses Atkins Proprietary Brown Inner Water Jacket Seals
Atkins Rotary has come out with a new brown water jacket seal, its square cut and seamless. It is impossible to put this seal in wrong unless you twist it on accident.
We had our chemist select the correct materials in order to allow this seal to take an additional 150° over the stock inner water jacket seal. We have also re-used these in our race car a couple times without issue.
See below for kit contents.