Radium Adjustable Pressure Switch FAB * Kit includes custom height

* Kit includes custom height quality one-piece silicone injected spark plug stalks that seal the spark plug well

At Idle the RB engines are prone to overheating due to not enough coolant being moved around the system

You’re not reaping the benefits of a better quality bolt as you can only pull it to the tension that the block and combination will allow

~11" of pretwisted 22awg Tefzel flyleads with recovered DR25 & SCL lengths

If you select modification of your own block

Radium Adjustable Pressure Switch FAB * Kit includes custom heightThis Adjustable Pressure Switch offers a solution for triggering staged fuel pump(s) based on positive boost pressure. This normally open (N. O.) switch features a 3 15psi adjustable set point to match any application. The stainless steel body features a 1 8" NPT male port. Connector and pins are included (assembly required). This switch ONLY activates with positive pressure. INSTALLATION NOTES: DO NOT route the main power for a fuel pump through this