The Radium Engineering Wide Range FPR Spring is a stainless steel replacement spring for Radium adjustable fuel pressure regulators. It allows base fuel pressure adjustment from 20 psi and up and is engineered to improve linear adjustment between 60 psi and 80 psi. It is a drop in replacement that requires no additional parts and comes standard in all applicable units produced from November 2016 onward.
| Type | Stainless steel replacement regulator spring (Wide Range) |
| Pressure Range | Adjustable from 20 psi and up, optimized for 60 to 80 psi |
| Compatible With | Radium MPR, DMR, and FST-R regulators; FPD-R pulse damper |
| Quantity | 1 (sold individually) |
| Part Number | 18-0046 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
