Radium FPR Spring- Wide Range (Use with Radium MPR, DMR, and FST-R) 18-0046 ✓ Professional motorsport-grade construction

✓ Professional motorsport-grade construction

✅ Compatible with SR20DET and SR20VE applications across S14 and S15 platforms

It converts the threaded hole in the block to a 10AN male fitting

which is shorter than the standard 14-0118 adapter

20-0591-02 — Fuel Rail

Radium FPR Spring- Wide Range (Use with Radium MPR, DMR, and FST-R) 18-0046 ✓ Professional motorsport-grade constructionRadium FPR Spring Wide Range (Use with Radium MPR, DMR, and FST R) Replacement wide range internal spring engineered by Radium Engineering for fuel pressure regulators and pulse dampers. This professional grade spring provides extended pressure range adjustment for MPR regulators, DMR regulators, and FPD R pulse dampers. Compatibility MPR Regulator (P N 20 0100 00, 20 0100 01) DMR Regulator (All Versions) FPD R Pulse Damper (P N 20 0176, 20 0178) Key