13B Alloy Sump (Large)


Out of stock

SKU: SUMPRX413B Category:


RaceCast Alloy Sump – RX4 style 13B

These are our largest capacity sumps and designed for a 13B into RX3/4/5 applications. They will fit anywhere a stock RX4 sump will.

  • Works with any front bowl rotary oil pickup
  • Will not require dipstick shortening
  • Heat treated Aluminium Alloy
  • Thick flange for extra block stiffness
  • Machined surface for better sealing than stock steel sumps
  • Fins for added oil cooling
  • 10mm thick section on spark plug side of pan for extra sensors to be tapped in
  • 4x bosses for the mounting of a custom baffle plate if desired
  • Fits 13B  RX4 style engine or S4/5 engines with front mount timing cover conversion