Radium FPR Spring- Wide Range (Use with Radium MPR, DMR, and FST-R) Category_Fuel Management our Billet Block Insert is

our Billet Block Insert is engineered to meet the unique demands of these high-performance vehicles

This well-engineered piece of gear is specifically designed to maximize fluid flow out of the back of the Nissan RB Twin Cam cylinder head where it needs it most

centered behind the rear seat (shown below without carpet installed)

Opening Pressure: 0-1 kPA

We have produced a timing belt idler & tensioner fastener kit using only the best ARP custom hardware

Radium FPR Spring- Wide Range (Use with Radium MPR, DMR, and FST-R) Category_Fuel Management our Billet Block Insert isReplacement internal spring for the following Radium products: MPR Regulator, P N 20 0100 00, 20 0100 01 DMR Regulator, All Versions FPD R Pulse Damper, P N 20 0176, 20 0178