Manufactured with a large 0.7" internal bore, the Radium Engineering fuel rail can support all necessary engine power requirements.
Radium Engineering 90-99 Toyota MR2 3S-GTE Fuel Rail
Vendor: Radium Engineering
Part#: RAD20-0849
Vendor: Radium Engineering
Part#: RAD20-0849
Radium Engineering

Manufactured with a large 0.7" internal bore, the Radium Engineering fuel rail can support all necessary engine power requirements.
Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.
The machined injector ports in the fuel rail are compatible with 11mm upper injector O-rings.
The fuel rail is compatible with the OEM top feed fuel injectors (or equivalent). No modifications are needed.
These engines came with side feed fuel injectors which are NOT compatible with the Radium Engineering fuel rail. When the provided Radium Engineering injector seats are installed into the cylinder head injector ports (shown below), aftermarket injectors that are 48mm tall with 11mm upper O-rings and 14mm lower O-rings must be used.
The following universal injectors have been verified to be compatible, however there are others on the market that will work that are not listed here:
*1st gen 3S-GTE are compatible. They simply do not require the provided injector seats or the billet mounting feet.
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Not all parts comply with emissions or regulatory requirements in California and states with similar laws.