RB Direct replacement Welch Plugs / Freeze Plugs / Expansion Plugs.
These high quality Australian made plugs are used in many high performance street and race applications, many of the big drag cars here in Australia use these and are a testament to their quality.
Brass is renowned for it's anti-corrosion properties whilst still retaining its tensile strength, this means it will survive a long way beyond your engine build. These come as a complete bottom end kit or as a complete engine kit to suit block and head, will fit the following engines:
- RB20
- RB25
- RB25 NEO
- RB26
- RB30
- RD28