Gauges

FAST LSX/LSXR/LSXRT EFI Fuel Pressure Gauge 54027 - 0-100 PSI (Gauge Only) FAST LSX/LSXR/LSXRT 0-100 PSI EFI fuel pressure gauge. kit. 

FAST LSX/LSXR/LSXRT EFI Fuel Pressure Gauge Kit 54027 - 0-100 PSI FAST LSX/LSXR/LSXRT 0-100 PSI EFI fuel pressure gauge kit. Includes 8 SAE o-ring to 1/8 NPT fitting and o-ring for use with FAST™ billet fuel rails.