The Radium Adjustable Pressure Switch P921 is a normally open switch designed to trigger staged fuel pumps based on positive boost pressure. It provides a reliable solution for high-performance applications. The switch features an adjustable activation point, allowing for customization to specific engine requirements. This product is suitable for use in various automotive applications, including turbocharged and supercharged engines. Its compact design and durable construction ensure reliable operation in demanding environments.

                  
                                          
                        
Activation Point
                        
Adjustable
                      
                                          
                        
Switch Type
                        
Normally Open (N.O.)
                      
                                          
                        
Operating Pressure
                        
Up to 100 psi
                      
                                          
                        
Electrical Connection
                        
1/4" Spade Terminal
                      
                                          
                        
Thread Size
                        
1/8" NPT
                      
                                          
                        
Material
                        
Brass
                      
                                          
                        
Weight
                        
6.3 oz
                      
                                          
                        
Length
                        
2.5 in
                      
                                          
                        
Width
                        
1.5 in
                      
                                          
                        
Height
                        
1 in